diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..be4f6f2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+__pycache__
+*.pyc
+node_modules
+/frontend/dist/
+/backend/server.pem
+/testdata/
+/backend/supervisord/supervisord.log
+/dockerfiles/wba/files/wba/dist
+/package-lock.json
diff --git a/backend/keephelper/__main__.py b/backend/keephelper/__main__.py
new file mode 100644
index 0000000..4906ba6
--- /dev/null
+++ b/backend/keephelper/__main__.py
@@ -0,0 +1,77 @@
+import aiohttp
+from aiohttp import web
+from argparse import ArgumentParser
+import ssl
+import json
+
+
+def options_fetch_blocks(request):
+    return web.Response(headers={ 'Access-Control-Allow-Origin': '*' })
+
+
+async def post_fetch_blocks(request):
+    body = await request.read()
+    body = json.loads(body)
+    proxy_host = body['keepProxyHost']
+    arv_token = body['arvToken']
+    segments = body['segments']
+    use_ssl = body['useSsl'] \
+        if 'useSsl' in body \
+        else True
+    protocol = 'https://' \
+        if use_ssl \
+        else 'http://'
+    name = body['name'] \
+        if 'name' in body \
+        else None
+    content_type = body['contentType'] \
+        if 'contentType' in body \
+        else 'application/octet-stream'
+    res = web.StreamResponse()
+    res.content_type = content_type
+    if name:
+        res.headers['Content-Disposition'] = 'attachment; filename*=UTF-8\'\'"' + name + '"'
+    else:
+        res.headers['Content-Disposition'] = 'inline'
+    res.headers['Access-Control-Allow-Origin'] = '*'
+    await res.prepare(request)
+    async with aiohttp.ClientSession(connector=aiohttp.TCPConnector(verify_ssl=False)) as session:
+        for seg in segments:
+            url = protocol + proxy_host + '/' + seg[0]
+            async with session.get(url, headers={ 'Authorization': 'OAuth2 ' + arv_token }) as response:
+                block = await response.read()
+                block = block[seg[1]:seg[2]]
+                await res.write(block)
+    return res
+
+
+def get_index(request):
+    return web.Response(text='Use /fetch-blocks to stream files from Keep')
+
+
+def create_parser():
+    parser = ArgumentParser()
+    parser.add_argument('--port', type=int, default=50080)
+    parser.add_argument('--ssl-cert', type=str, default=None)
+    return parser
+
+
+def main():
+    parser = create_parser()
+    args = parser.parse_args()
+    app = web.Application()
+    app.add_routes([
+        web.get('/', get_index),
+        web.post('/fetch-blocks', post_fetch_blocks),
+        web.options('/fetch-blocks', options_fetch_blocks)
+    ])
+    if args.ssl_cert:
+        ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+        ssl_context.load_cert_chain(args.ssl_cert)
+    else:
+        ssl_context = None
+    web.run_app(app, port=args.port, ssl_context=ssl_context)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/backend/nginx/conf/nginx.conf b/backend/nginx/conf/nginx.conf
new file mode 100644
index 0000000..5a530be
--- /dev/null
+++ b/backend/nginx/conf/nginx.conf
@@ -0,0 +1,42 @@
+error_log  /dev/null;
+pid nginx.pid;
+daemon off;
+
+events {
+
+}
+
+http {
+    include       /pstore/data/data_science/app/modules/nginx-1.17.8/conf/mime.types;
+
+    access_log /dev/null;
+
+
+    server {
+        listen       50080;
+        server_name  rkalbhpc002.kau.roche.com;
+
+        client_body_temp_path tmp/client_body_temp;
+        fastcgi_temp_path tmp/fastcgi_temp;
+        proxy_temp_path tmp/proxy_temp;
+        scgi_temp_path tmp/scgi_temp;
+        uwsgi_temp_path tmp/uwsgi_temp;
+
+        if ( $request_uri ~ \.(js|css|html|woff|ttf|svg|woff2|eot|svg)$ ) {
+          break;
+        }
+        if ( $request_uri ~ ^/fetch-blocks$ ) {
+          break;
+        }
+        rewrite .* /index.html;
+
+        location / {
+            root   /pstore/home/adaszews/workspace/arvados-workbench-advanced/frontend/dist;
+            index  index.html;
+        }
+
+        location /fetch-blocks {
+            proxy_pass http://localhost:12358/fetch-blocks;
+        }
+    }
+}
diff --git a/backend/srv.py b/backend/srv.py
new file mode 100644
index 0000000..b1bae77
--- /dev/null
+++ b/backend/srv.py
@@ -0,0 +1,15 @@
+import BaseHTTPServer, SimpleHTTPServer
+import ssl
+
+class RequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
+    def do_GET(self):
+        print(self.path)
+        if '.' not in self.path:
+	    self.path = '/'
+        SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
+        # RequestHandler, self).do_GET()
+
+httpd = BaseHTTPServer.HTTPServer(('0.0.0.0', 4445), RequestHandler)
+httpd.socket = ssl.wrap_socket (httpd.socket, certfile='/pstore/home/adaszews/workspace/arvados-workbench-advanced/backend/server.pem', server_side=True)
+httpd.serve_forever()
+
diff --git a/backend/supervisord/supervisord.conf b/backend/supervisord/supervisord.conf
new file mode 100644
index 0000000..9089d9e
--- /dev/null
+++ b/backend/supervisord/supervisord.conf
@@ -0,0 +1,4 @@
+[supervisord]
+
+[program:wba-nginx]
+command=/pstore/data/data_science/app/modules/nginx-1.17.8/sbin/nginx -p /pstore/home/adaszews/workspace/arvados-workbench-advanced/backend/nginx
diff --git a/dockerfiles/wba/Dockerfile b/dockerfiles/wba/Dockerfile
new file mode 100644
index 0000000..62bbf90
--- /dev/null
+++ b/dockerfiles/wba/Dockerfile
@@ -0,0 +1,10 @@
+FROM alpine:3.11.3
+
+RUN apk update && \
+  apk add nginx gettext supervisor
+
+COPY files/wba /wba
+
+RUN chown -R nginx /wba/nginx/tmp /wba/nginx/run
+
+ENTRYPOINT /bin/sh -c "cd /wba/supervisord/run && /usr/bin/supervisord -c /wba/supervisord/supervisord.conf"
diff --git a/dockerfiles/wba/files/default.conf b/dockerfiles/wba/files/default.conf
new file mode 100644
index 0000000..cebeb6e
--- /dev/null
+++ b/dockerfiles/wba/files/default.conf
@@ -0,0 +1,18 @@
+# This is a default site configuration which will simply return 404, preventing
+# chance access to any other virtualhost.
+
+server {
+        listen ${PORT0} default_server;
+        listen [::]:${PORT0} default_server;
+
+        # Everything is a 404
+        location / {
+                return 404;
+        }
+
+        # You may need this to prevent return 404 recursion.
+        location = /404.html {
+                internal;
+        }
+}
+
diff --git a/dockerfiles/wba/files/wba/nginx/conf/nginx.conf b/dockerfiles/wba/files/wba/nginx/conf/nginx.conf
new file mode 100644
index 0000000..751c07d
--- /dev/null
+++ b/dockerfiles/wba/files/wba/nginx/conf/nginx.conf
@@ -0,0 +1,41 @@
+error_log  /dev/null;
+pid run/nginx.pid;
+daemon off;
+
+events {
+
+}
+
+http {
+    include       /etc/nginx/mime.types;
+
+    access_log /dev/null;
+
+    server {
+        listen       ${PORT0};
+        server_name  wba.ecaas.emea.roche.com;
+
+        client_body_temp_path tmp/client_body_temp;
+        fastcgi_temp_path tmp/fastcgi_temp;
+        proxy_temp_path tmp/proxy_temp;
+        scgi_temp_path tmp/scgi_temp;
+        uwsgi_temp_path tmp/uwsgi_temp;
+
+        if ( $request_uri ~ \.(js|css|html|woff|ttf|svg|woff2|eot|svg)$ ) {
+          break;
+        }
+        if ( $request_uri ~ ^/fetch-blocks$ ) {
+          break;
+        }
+        rewrite .* /index.html;
+
+        location / {
+            root   /wba/dist;
+            index  index.html;
+        }
+
+        location /fetch-blocks {
+            proxy_pass http://localhost:12358/fetch-blocks;
+        }
+    }
+}
diff --git a/dockerfiles/wba/files/wba/nginx/run/.keep b/dockerfiles/wba/files/wba/nginx/run/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/dockerfiles/wba/files/wba/nginx/tmp/.keep b/dockerfiles/wba/files/wba/nginx/tmp/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/dockerfiles/wba/files/wba/supervisord/run/.keep b/dockerfiles/wba/files/wba/supervisord/run/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/dockerfiles/wba/files/wba/supervisord/supervisord.conf b/dockerfiles/wba/files/wba/supervisord/supervisord.conf
new file mode 100644
index 0000000..ec5975a
--- /dev/null
+++ b/dockerfiles/wba/files/wba/supervisord/supervisord.conf
@@ -0,0 +1,8 @@
+[supervisord]
+logfile=/dev/null
+nodaemon=true
+user=root
+
+[program:wba-nginx]
+command=/usr/sbin/nginx -p /wba/nginx -c conf/nginx.conf
+user=nginx
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
new file mode 100644
index 0000000..e671a40
--- /dev/null
+++ b/frontend/package-lock.json
@@ -0,0 +1,731 @@
+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+      "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
+      "requires": {
+        "@babel/highlight": "7.8.3"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
+      "integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
+      "requires": {
+        "chalk": "2.4.2",
+        "esutils": "2.0.3",
+        "js-tokens": "4.0.0"
+      }
+    },
+    "@babel/runtime": {
+      "version": "7.8.4",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.8.4.tgz",
+      "integrity": "sha512-neAp3zt80trRVBI1x0azq6c57aNBqYZH8KhMm3TaB7wEI5Q4A2SHfBHE8w9gOhI/lrqxtEbXZgQIrHP+wvSGwQ==",
+      "requires": {
+        "regenerator-runtime": "0.13.3"
+      }
+    },
+    "@fortawesome/fontawesome-free": {
+      "version": "5.12.0",
+      "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-free/-/fontawesome-free-5.12.0.tgz",
+      "integrity": "sha512-vKDJUuE2GAdBERaQWmmtsciAMzjwNrROXA5KTGSZvayAsmuTGjam5z6QNqNPCwDfVljLWuov1nEC3mEQf/n6fQ=="
+    },
+    "@types/estree": {
+      "version": "0.0.39",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
+      "integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw=="
+    },
+    "@types/node": {
+      "version": "13.7.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.7.2.tgz",
+      "integrity": "sha512-uvilvAQbdJvnSBFcKJ2td4016urcGvsiR+N4dHGU87ml8O2Vl6l+ErOi9w0kXSPiwJ1AYlIW+0pDXDWWMOiWbw=="
+    },
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+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
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+    },
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+    },
+    "acorn-jsx": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
+      "integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw=="
+    },
+    "align-text": {
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+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
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+        "longest": "1.0.1",
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+      }
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+      "requires": {
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+      }
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+    "bootstrap": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.4.1.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/buble/-/buble-0.19.8.tgz",
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+    },
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+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
+      "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g=="
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+      "requires": {
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+      "requires": {
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+      }
+    },
+    "serialize-javascript": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+      "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ=="
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+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
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+      "requires": {
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+      }
+    },
+    "tiny-invariant": {
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+      "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.1.0.tgz",
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+    },
+    "uglify-js": {
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+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
+      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+      "requires": {
+        "source-map": "0.5.7",
+        "uglify-to-browserify": "1.0.2",
+        "yargs": "3.10.0"
+      }
+    },
+    "uglify-to-browserify": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-1.0.4.tgz",
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+      "requires": {
+        "unicode-canonical-property-names-ecmascript": "1.0.4",
+        "unicode-property-aliases-ecmascript": "1.0.5"
+      }
+    },
+    "unicode-match-property-value-ecmascript": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.1.0.tgz",
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+    },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
+    },
+    "value-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/value-equal/-/value-equal-1.0.1.tgz",
+      "integrity": "sha512-NOJ6JZCAWr0zlxZt+xqCHNTEKOsrks2HQd4MqhP1qy4z1SkbEP467eNx6TgDKXMvUOb+OENfJCZwM+16n7fRfw=="
+    },
+    "watch": {
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+      "integrity": "sha1-NApxe952Vyb6CqB9ch4BR6VR3ww=",
+      "requires": {
+        "exec-sh": "0.2.2",
+        "minimist": "1.2.0"
+      }
+    },
+    "web-streams-polyfill": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-2.0.6.tgz",
+      "integrity": "sha512-nXOi4fBykO4LzyQhZX3MAGib635KGZBoNTkNXrNIkz0zthEf2QokEWxRb0H632xNLDWtHFb1R6dFGzksjYMSDw=="
+    },
+    "window-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
+    },
+    "wordwrap": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+      "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8="
+    },
+    "yargs": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+      "requires": {
+        "camelcase": "1.2.1",
+        "cliui": "2.1.0",
+        "decamelize": "1.2.0",
+        "window-size": "0.1.0"
+      }
+    }
+  }
+}
diff --git a/frontend/package.json b/frontend/package.json
new file mode 100755
index 0000000..1d7576b
--- /dev/null
+++ b/frontend/package.json
@@ -0,0 +1,32 @@
+{
+  "dependencies": {
+    "@fortawesome/fontawesome-free": "^5.12.0",
+    "bootstrap": "^4.4.1",
+    "crypto-js": "^3.1.9-1",
+    "filesize": "^6.0.1",
+    "history": "^4.10.1",
+    "jquery": "^3.4.1",
+    "js-uuid": "0.0.6",
+    "js-yaml": "^3.13.1",
+    "linkstate": "^1.1.1",
+    "papaya-viewer": "^1.0.1449",
+    "popper.js": "^1.16.1",
+    "preact": "^8.2.9",
+    "preact-router": "^2.6.1",
+    "rollup": "^0.66.6",
+    "rollup-plugin-buble": "^0.19.2",
+    "rollup-plugin-copy": "^0.2.3",
+    "rollup-plugin-includepaths": "^0.2.3",
+    "rollup-plugin-license": "^0.7.0",
+    "rollup-plugin-minify": "^1.0.3",
+    "rollup-plugin-node-resolve": "^3.3.0",
+    "rollup-plugin-uglify": "^6.0.4",
+    "streamsaver": "^2.0.3",
+    "watch": "^1.0.2",
+    "web-streams-polyfill": "^2.0.6"
+  },
+  "scripts": {
+    "rollup": "rollup -c",
+    "watch": "watch \"rollup -c\" src"
+  }
+}
diff --git a/frontend/rollup.config.js b/frontend/rollup.config.js
new file mode 100755
index 0000000..e23c411
--- /dev/null
+++ b/frontend/rollup.config.js
@@ -0,0 +1,67 @@
+import resolve from 'rollup-plugin-node-resolve'
+import buble from 'rollup-plugin-buble';
+import copy from 'rollup-plugin-copy';
+import includePaths from 'rollup-plugin-includepaths';
+import license from 'rollup-plugin-license';
+import { uglify } from "rollup-plugin-uglify";
+
+export default {
+  // dest: 'dist/js/app.js',
+  input: 'src/js/index.js',
+  output: {
+    file: 'dist/js/app.min.js',
+    name: 'WBADV',
+    format: 'umd',
+    sourceMap: true
+  },
+  plugins: [
+    includePaths({
+      paths: ['src/js', 'src/js/widget', 'src/js/misc', 'src/js/component',
+        'src/js/page', 'src/js/dialog', 'src/js/arvados/base',
+        'src/js/arvados/collection', 'src/js/arvados/process']
+    }),
+    copy({
+      'src/html/index.html': 'dist/index.html',
+      'src/css/index.css': 'dist/css/index.css',
+      'node_modules/bootstrap/dist/css/bootstrap.min.css': 'dist/css/bootstrap.min.css',
+      'node_modules/bootstrap/dist/js/bootstrap.min.js': 'dist/js/bootstrap.min.js',
+      'node_modules/jquery/dist/jquery.min.js': 'dist/js/jquery.min.js',
+      'node_modules/@fortawesome/fontawesome-free/js/fontawesome.min.js': 'dist/js/fontawesome.min.js',
+      'node_modules/@fortawesome/fontawesome-free/css/all.min.css': 'dist/css/all.min.css',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-regular-400.eot': 'dist/webfonts/fa-regular-400.eot',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-regular-400.svg': 'dist/webfonts/fa-regular-400.svg',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-regular-400.ttf': 'dist/webfonts/fa-regular-400.ttf',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-regular-400.woff': 'dist/webfonts/fa-regular-400.woff',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-regular-400.woff2': 'dist/webfonts/fa-regular-400.woff2',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.eot': 'dist/webfonts/fa-solid-900.eot',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.svg': 'dist/webfonts/fa-solid-900.svg',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.ttf': 'dist/webfonts/fa-solid-900.ttf',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.woff': 'dist/webfonts/fa-solid-900.woff',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.woff2': 'dist/webfonts/fa-solid-900.woff2',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-brands-400.eot': 'dist/webfonts/fa-brands-400.eot',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-brands-400.svg': 'dist/webfonts/fa-brands-400.svg',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-brands-400.ttf': 'dist/webfonts/fa-brands-400.ttf',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-brands-400.woff': 'dist/webfonts/fa-brands-400.woff',
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-brands-400.woff2': 'dist/webfonts/fa-brands-400.woff2',
+      'node_modules/js-uuid/js-uuid.js': 'dist/js/js-uuid.js',
+      'node_modules/filesize/lib/filesize.js': 'dist/js/filesize.js',
+      'node_modules/crypto-js/core.js': 'dist/js/crypto-js/core.js',
+      'node_modules/crypto-js/md5.js': 'dist/js/crypto-js/md5.js',
+      'src/js/worker/wb-manifest-worker.js': 'dist/js/wb-manifest-worker.js',
+      'node_modules/js-yaml/dist/js-yaml.min.js': 'dist/js/js-yaml.min.js',
+      'node_modules/streamsaver/mitm.html': 'dist/mitm.html',
+      'node_modules/streamsaver/sw.js': 'dist/sw.js',
+      'src/js/thirdparty/StreamSaver.js': 'dist/js/StreamSaver.js',
+      'node_modules/web-streams-polyfill/dist/ponyfill.js': 'dist/js/web-streams-polyfill/ponyfill.js',
+      'node_modules/papaya-viewer/release/current/standard/papaya.js': 'dist/js/papaya.js',
+      'node_modules/papaya-viewer/release/current/standard/papaya.css': 'dist/css/papaya.css',
+      verbose: true
+    }),
+    buble({jsx: 'h', objectAssign: 'Object.assign'}),
+    resolve({}),
+    license({
+      banner: 'Copyright (C) Stanislaw Adaszewski, 2020.\nContact: s.adaszewski@gmail.com\nAll Rights Reserved.',
+    }),
+    // uglify()
+  ]
+}
diff --git a/frontend/src/css/index.css b/frontend/src/css/index.css
new file mode 100755
index 0000000..2c49b82
--- /dev/null
+++ b/frontend/src/css/index.css
@@ -0,0 +1,27 @@
+pre.word-wrap {
+    white-space: pre-wrap;       /* Since CSS 2.1 */
+    white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
+    white-space: -pre-wrap;      /* Opera 4-6 */
+    white-space: -o-pre-wrap;    /* Opera 7 */
+    word-wrap: break-word;       /* Internet Explorer 5.5+ */
+}
+
+pre.terminal {
+  background: black;
+  color: #aaa;
+  height: 600px;
+  width: 100%;
+}
+
+.w-1 {
+  width: 1px !important;
+}
+
+div.wb-json-viewer {
+  font-family: "Courier New", fixed-width;
+  white-space: pre-wrap;
+}
+
+textarea.wb-json-editor {
+  font-family: "Courier New", fixed-width;
+}
diff --git a/frontend/src/html/index.html b/frontend/src/html/index.html
new file mode 100755
index 0000000..e7e1be6
--- /dev/null
+++ b/frontend/src/html/index.html
@@ -0,0 +1,25 @@
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <link rel="stylesheet" type="text/css" href="/css/bootstrap.min.css" />
+    <link rel="stylesheet" type="text/css" href="/css/all.min.css" />
+    <link rel="stylesheet" type="text/css" href="/css/index.css" />
+    <link rel="stylesheet" type="text/css" href="/css/papaya.css" />
+    <script language="javascript" src="/js/web-streams-polyfill/ponyfill.js"></script>
+    <script language="javascript">
+      window.process = { 'env': { 'NODE_ENV': 'production' } };
+    </script>
+    <script language="javascript" src="/js/jquery.min.js"></script>
+    <script language="javascript" src="/js/bootstrap.min.js"></script>
+    <script language="javascript" src="/js/fontawesome.min.js"></script>
+    <script language="javascript" src="/js/js-uuid.js"></script>
+    <script language="javascript" src="/js/filesize.js"></script>
+    <script language="javascript" src="/js/crypto-js/core.js"></script>
+    <script language="javascript" src="/js/crypto-js/md5.js"></script>
+    <script language="javascript" src="/js/js-yaml.min.js"></script>
+    <script language="javascript" src="/js/StreamSaver.js"></script>
+  </head>
+  <body>
+    <script language="javascript" src="/js/app.min.js"></script>
+  </body>
+</html>
diff --git a/frontend/src/js/arvados/base/arvados-object-name.js b/frontend/src/js/arvados/base/arvados-object-name.js
new file mode 100644
index 0000000..d39bb02
--- /dev/null
+++ b/frontend/src/js/arvados/base/arvados-object-name.js
@@ -0,0 +1,20 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import arvadosTypeName from 'arvados-type-name';
+
+function arvadosObjectName(item) {
+  let typeName = arvadosTypeName(item['uuid']);
+  if (typeName === 'user')
+    return (item.first_name + ' ' + item.last_name);
+  else if (typeName === 'container')
+    return ('Container running image ' + item.container_image);
+  else
+    return item.name;
+}
+
+export default arvadosObjectName;
diff --git a/frontend/src/js/arvados/base/arvados-type-name.js b/frontend/src/js/arvados/base/arvados-type-name.js
new file mode 100644
index 0000000..19750ce
--- /dev/null
+++ b/frontend/src/js/arvados/base/arvados-type-name.js
@@ -0,0 +1,28 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+const typeIdToName = {
+  'tpzed': 'user',
+  'j7d0g': 'group',
+  'xvhdp': 'container_request',
+  'dz642': 'container',
+  '7fd4e': 'workflow',
+  'ozdt8': 'api_client',
+  '4zz18': 'collection'
+};
+
+function arvadosTypeName(id) {
+  if (!id)
+    return;
+
+  if (id.length === 5)
+    return typeIdToName[id];
+  else
+    return typeIdToName[id.split('-')[1]];
+}
+
+export default arvadosTypeName;
diff --git a/frontend/src/js/arvados/base/detect-hashes.js b/frontend/src/js/arvados/base/detect-hashes.js
new file mode 100644
index 0000000..4b94ae2
--- /dev/null
+++ b/frontend/src/js/arvados/base/detect-hashes.js
@@ -0,0 +1,34 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function detectHashes(obj) {
+  let Q = [ obj ];
+  let matches = {};
+
+  while (Q.length > 0) {
+    let item = Q.pop();
+
+    if (!item)
+      continue;
+
+    if (typeof(item) === 'string') {
+      // use regexes
+      let rx = /[a-f0-9]{32}\+[0-9]+/g;
+      for (let m = rx.exec(item); m; m = rx.exec(item))
+        matches[m[0]] = true;
+
+    } else if (typeof(item) === 'object') {
+      Object.keys(item).map(k => Q.push(item[k]));
+    }
+  }
+
+  matches = Object.keys(matches);
+
+  return matches;
+}
+
+export default detectHashes;
diff --git a/frontend/src/js/arvados/base/detect-uuids.js b/frontend/src/js/arvados/base/detect-uuids.js
new file mode 100644
index 0000000..600c284
--- /dev/null
+++ b/frontend/src/js/arvados/base/detect-uuids.js
@@ -0,0 +1,34 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function detectUuids(obj) {
+  let Q = [ obj ];
+  let matches = {};
+
+  while (Q.length > 0) {
+    let item = Q.pop();
+
+    if (!item)
+      continue;
+
+    if (typeof(item) === 'string') {
+      // use regexes
+      let rx = /[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}/g;
+      for (let m = rx.exec(item); m; m = rx.exec(item))
+        matches[m[0]] = true;
+
+    } else if (typeof(item) === 'object') {
+      Object.keys(item).map(k => Q.push(item[k]));
+    }
+  }
+
+  matches = Object.keys(matches);
+
+  return matches;
+}
+
+export default detectUuids;
diff --git a/frontend/src/js/arvados/base/fetch-object-parents.js b/frontend/src/js/arvados/base/fetch-object-parents.js
new file mode 100644
index 0000000..64bc0f0
--- /dev/null
+++ b/frontend/src/js/arvados/base/fetch-object-parents.js
@@ -0,0 +1,51 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+import arvadosObjectName from 'arvados-object-name';
+
+function fetchObjectParents(arvHost, arvToken, uuid) {
+  let parents = [];
+
+  let cb = xhr => {
+    const item = xhr.response.items[0];
+    if (!item)
+      return parents.reverse();
+
+    item.name = arvadosObjectName(item);
+    parents.push(item);
+
+    if (!item.owner_uuid ||
+      item.owner_uuid.endsWith('-tpzed-000000000000000')) {
+
+      return parents.reverse();
+    }
+
+    const objectType = arvadosTypeName(item.owner_uuid);
+    const filters = [
+      ['uuid', '=', item.owner_uuid]
+    ];
+
+    return makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/' + objectType + 's' +
+      '?filters=' + encodeURIComponent(JSON.stringify(filters))).then(cb);
+  };
+
+  const objectType = arvadosTypeName(uuid);
+  const filters = [
+    ['uuid', '=', uuid]
+  ];
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + objectType + 's' +
+    '?filters=' + encodeURIComponent(JSON.stringify(filters)));
+  prom = prom.then(cb);
+
+  return prom;
+}
+
+export default fetchObjectParents;
diff --git a/frontend/src/js/arvados/base/make-arvados-request.js b/frontend/src/js/arvados/base/make-arvados-request.js
new file mode 100644
index 0000000..1da9d77
--- /dev/null
+++ b/frontend/src/js/arvados/base/make-arvados-request.js
@@ -0,0 +1,67 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import wbApplyPromiseOrdering from 'wb-apply-promise-ordering';
+
+const requestPromiseOrdering = {};
+
+function makeArvadosRequest(arvHost, arvToken, endpoint, params={}) {
+  const defaultParams = {
+    'method': 'GET',
+    'data': null,
+    'contentType': 'application/json;charset=utf-8',
+    'responseType': 'json',
+    'useSsl': true,
+    'requireToken': true,
+    'onProgress': () => {},
+    'promiseOrdering': true,
+    'expectedStatus': 200
+  };
+
+  Object.keys(defaultParams).map(k => (params[k] =
+    (k in params ? params[k] : defaultParams[k])));
+  let { method, data, contentType, responseType,
+    useSsl, requireToken, onProgress, promiseOrdering,
+    expectedStatus } = params;
+
+  if (!(arvHost && (arvToken || !requireToken)))
+    return new Promise((accept, reject) => reject());
+
+  let xhr = new XMLHttpRequest();
+  xhr.open(method, (useSsl ? 'https://' : 'http://') + arvHost + endpoint);
+  if (arvToken)
+    xhr.setRequestHeader('Authorization', 'OAuth2 ' + arvToken);
+  if (data !== null)
+    xhr.setRequestHeader('Content-Type', contentType);
+  xhr.responseType = responseType;
+
+  xhr.onprogress = onProgress;
+
+  let prom = new Promise((accept, reject) => {
+    xhr.onreadystatechange = () => {
+      if (xhr.readyState !== 4)
+        return;
+
+      if ((expectedStatus instanceof Array) &&
+        expectedStatus.indexOf(xhr.status) !== -1) {
+        accept(xhr);
+      } else if (expectedStatus === xhr.status) {
+        accept(xhr);
+      } else {
+        reject(xhr);
+      }
+    };
+    xhr.send(data);
+  });
+
+  if (promiseOrdering)
+    prom = wbApplyPromiseOrdering(prom, requestPromiseOrdering);
+
+  return prom;
+}
+
+export default makeArvadosRequest;
diff --git a/frontend/src/js/arvados/base/url-for-object.js b/frontend/src/js/arvados/base/url-for-object.js
new file mode 100644
index 0000000..d8f208a
--- /dev/null
+++ b/frontend/src/js/arvados/base/url-for-object.js
@@ -0,0 +1,35 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import arvadosTypeName from 'arvados-type-name';
+
+function urlForObject(item, mode='primary') {
+  let objectType = arvadosTypeName(item.uuid.split('-')[1]);
+  if (objectType === 'user')
+    return ('/browse/' + item.uuid);
+  else if (objectType === 'group' && item.group_class === 'project') {
+    if (mode === 'properties')
+      return ('/project/' + item.uuid);
+    else
+      return ('/browse/' + item.uuid);
+  } else if (objectType === 'container_request')
+    return ('/process/' + item.uuid);
+  else if (objectType === 'workflow') {
+    if (mode === 'launch')
+      return ('/workflow-launch/' + item.uuid)
+    else
+      return ('/workflow/' + item.uuid);
+  } else if (objectType === 'collection') {
+    if (mode === 'primary' || mode === 'browse')
+      return ('/collection-browse/' + item.uuid);
+    else
+      return ('/collection/' + item.uuid);
+  } else if (objectType === 'container')
+    return ('/container/' + item.uuid);
+}
+
+export default urlForObject;
diff --git a/frontend/src/js/arvados/base/wb-delete-object.js b/frontend/src/js/arvados/base/wb-delete-object.js
new file mode 100644
index 0000000..6492ce3
--- /dev/null
+++ b/frontend/src/js/arvados/base/wb-delete-object.js
@@ -0,0 +1,18 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+function wbDeleteObject(arvHost, arvToken, uuid) {
+  const typeName = arvadosTypeName(uuid);
+  return makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + typeName + 's/' +
+    uuid, { 'method': 'DELETE' });
+}
+
+export default wbDeleteObject;
diff --git a/frontend/src/js/arvados/base/wb-fetch-objects.js b/frontend/src/js/arvados/base/wb-fetch-objects.js
new file mode 100644
index 0000000..627bb65
--- /dev/null
+++ b/frontend/src/js/arvados/base/wb-fetch-objects.js
@@ -0,0 +1,45 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import arvadosTypeName from 'arvados-type-name';
+import makeArvadosRequest from 'make-arvados-request';
+
+function wbFetchObjects(arvHost, arvToken, uuids) {
+  const unique = {};
+  uuids.map(u => (unique[u] = true));
+  uuids = {};
+  Object.keys(unique).map(u => {
+    let typeName = arvadosTypeName(u);
+    if (!typeName) {
+      console.log('Unknown type name for UUID: ' + u);
+      return;
+    }
+    if (!(typeName in uuids))
+      uuids[typeName] = [];
+    uuids[typeName].push(u);
+  });
+
+  const lookup = {};
+  let prom = new Promise(accept => accept());
+  for (let typeName in uuids) {
+    let filters = [
+      ['uuid', 'in', uuids[typeName]]
+    ];
+    prom = prom.then(() => makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/' + typeName + 's?filters=' +
+      encodeURIComponent(JSON.stringify(filters))));
+    prom = prom.then(xhr => xhr.response.items.map(it => (
+      lookup[it.uuid] = it)));
+    prom = prom.catch(xhr => console.log(xhr.responseURL + ': ' + xhr.statusText));
+  }
+
+  prom = prom.then(() => lookup);
+
+  return prom;
+}
+
+export default wbFetchObjects;
diff --git a/frontend/src/js/arvados/base/wb-id-tools.js b/frontend/src/js/arvados/base/wb-id-tools.js
new file mode 100644
index 0000000..6d7b58c
--- /dev/null
+++ b/frontend/src/js/arvados/base/wb-id-tools.js
@@ -0,0 +1,79 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import arvadosTypeName from 'arvados-type-name';
+
+const UUID_PATTERN = '[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}';
+const PDH_PATTERN = '[a-f0-9]{32}\\+[0-9]+';
+
+const UUID_REGEX = new RegExp(UUID_PATTERN);
+const PDH_REGEX = new RegExp(PDH_PATTERN);
+
+const UUID_REGEX_G = new RegExp(UUID_PATTERN, 'g');
+const PDH_REGEX_G = new RegExp(PDH_PATTERN, 'g');
+
+class WBIdTools {
+  static isIdentifier(value) {
+    return ( this.isUuid(value) || this.isPDH(value) );
+  }
+
+  static isUuid(value) {
+    const m = UUID_REGEX.exec(value);
+    return (m && m[0] === value);
+  }
+
+  static isPDH(value) {
+    const m = PDH_REGEX.exec(value);
+    return (m && m[0] === value);
+  }
+
+  static startsWithIdentifier(value) {
+    return ( this.startsWithUuid(value) || this.startsWithPDH(value) );
+  }
+
+  static startsWithUuid(value) {
+    const m = UUID_REGEX.exec(value);
+    return ( m && m.index === 0 );
+  }
+
+  static startsWithPDH(value) {
+    const m = PDH_REGEX.exec(value);
+    return ( m && m.index === 0 );
+  }
+
+  static detectIdentifiers(value) {
+    return this.detectUuids(value).concat(this.detectPDHs(value));
+  }
+
+  static detectUuids(value) {
+    let m;
+    const res = [];
+    while (m = UUID_REGEX_G.exec(value)) {
+      res.push(m);
+    }
+    return res;
+  }
+
+  static detectPDHs(value) {
+    let m;
+    const res = [];
+    while (m = PDH_REGEX_G.exec(value)) {
+      res.push(m);
+    }
+    return res;
+  }
+
+  static typeName(value) {
+    if (this.isPDH(value))
+      return 'collection';
+    if (this.isUuid(value))
+      return arvadosTypeName(value);
+    throw Error('Given value is neither an UUID nor a PDH: ' + value);
+  }
+}
+
+export default WBIdTools;
diff --git a/frontend/src/js/arvados/base/wb-move-object.js b/frontend/src/js/arvados/base/wb-move-object.js
new file mode 100644
index 0000000..96f1521
--- /dev/null
+++ b/frontend/src/js/arvados/base/wb-move-object.js
@@ -0,0 +1,20 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+function wbMoveObject(arvHost, arvToken, uuid, newOwnerUuid) {
+  const typeName = arvadosTypeName(uuid);
+  return makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + typeName + 's/' +
+    uuid, { 'method': 'PUT', 'data': JSON.stringify({
+      'owner_uuid': newOwnerUuid
+    }) });
+}
+
+export default wbMoveObject;
diff --git a/frontend/src/js/arvados/base/wb-rename-object.js b/frontend/src/js/arvados/base/wb-rename-object.js
new file mode 100644
index 0000000..379ef60
--- /dev/null
+++ b/frontend/src/js/arvados/base/wb-rename-object.js
@@ -0,0 +1,23 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+function wbRenameObject(arvHost, arvToken, uuid, newName) {
+  const update = {
+    'name': newName
+  };
+  const typeName = arvadosTypeName(uuid);
+  return makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + typeName + 's/' +
+    uuid + '?' + typeName + '=' +
+    encodeURIComponent(JSON.stringify(update)),
+    { 'method': 'PUT' });
+}
+
+export default wbRenameObject;
diff --git a/frontend/src/js/arvados/base/wb-update-field.js b/frontend/src/js/arvados/base/wb-update-field.js
new file mode 100644
index 0000000..537a834
--- /dev/null
+++ b/frontend/src/js/arvados/base/wb-update-field.js
@@ -0,0 +1,23 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+function wbUpdateField(arvHost, arvToken, uuid, fieldName, fieldValue) {
+  const typeName = arvadosTypeName(uuid);
+  const data = {};
+  data[fieldName] = fieldValue;
+  const prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + typeName + 's/' + uuid, {
+      method: 'PUT',
+      data: JSON.stringify(data)
+    });
+  return prom;
+}
+
+export default wbUpdateField;
diff --git a/frontend/src/js/arvados/collection/wb-copy-collection.js b/frontend/src/js/arvados/collection/wb-copy-collection.js
new file mode 100644
index 0000000..3b6a7bd
--- /dev/null
+++ b/frontend/src/js/arvados/collection/wb-copy-collection.js
@@ -0,0 +1,32 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+function wbCopyCollection(arvHost, arvToken, uuid, newOwnerUuid) {
+  const typeName = arvadosTypeName(uuid);
+  if (typeName !== 'collection')
+    throw Error('Specified UUID does not refer to a collection');
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/collections/' + uuid);
+  prom = prom.then(xhr => {
+    const { name, description, properties, portable_data_hash,
+      manifest_text } = xhr.response;
+    const dup = { name: name + ' (Copied at ' + new Date().toISOString() + ')',
+      description, properties, portable_data_hash, manifest_text,
+      owner_uuid: newOwnerUuid };
+    return makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections', {
+        'method': 'POST',
+        'data': JSON.stringify(dup)
+      });
+  });
+  return prom;
+}
+
+export default wbCopyCollection;
diff --git a/frontend/src/js/arvados/collection/wb-download-file.js b/frontend/src/js/arvados/collection/wb-download-file.js
new file mode 100644
index 0000000..4b85a4b
--- /dev/null
+++ b/frontend/src/js/arvados/collection/wb-download-file.js
@@ -0,0 +1,64 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+
+function wbDownloadFile(arvHost, arvToken,
+  manifestReader, path) {
+
+  const file = manifestReader.getFile(path);
+  const name = path.split('/').reverse()[0];
+  const blockRefs = file[0];
+
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/keep_services');
+  prom = prom.then(xhr => {
+    const services = xhr.response['items'];
+    const proxies = services.filter(svc => (svc.service_type === 'proxy'));
+    const n = Math.floor(Math.random() * proxies.length);
+    const proxy = proxies[n];
+    const blocks = [];
+
+    let prom_2 = new Promise(accept => accept());
+
+    for (let i = 0; i < blockRefs.length; i++) {
+      const [ locator, position, size ] = blockRefs[i];
+
+      const prom_1 = makeArvadosRequest(
+        proxy.service_host + ':' + proxy.service_port,
+        arvToken,
+        '/' + locator,
+        { 'useSsl': proxy.service_ssl_flag,
+          'responseType': 'arraybuffer' }
+      );
+
+      prom_2 = prom_2.then(() => prom_1);
+
+      prom_2 = prom_2.then(xhr => (blocks.push(xhr.response.slice(position,
+        position + size))));
+    }
+
+    prom_2 = prom_2.then(() => blocks);
+
+    return prom_2;
+  });
+
+
+
+  /* prom = prom.then(() => {
+    const blob = new Blob(blocks);
+    const url = window.URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = name;
+    a.click();
+  }); */
+
+  return prom;
+}
+
+export default wbDownloadFile;
diff --git a/frontend/src/js/arvados/collection/wb-manifest-worker-wrapper.js b/frontend/src/js/arvados/collection/wb-manifest-worker-wrapper.js
new file mode 100644
index 0000000..30672f9
--- /dev/null
+++ b/frontend/src/js/arvados/collection/wb-manifest-worker-wrapper.js
@@ -0,0 +1,35 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+class WBManifestWorkerWrapper {
+  constructor() {
+    this.worker = new Worker('/js/wb-manifest-worker.js');
+    this.worker.onmessage = e => this.onMessage(e);
+    this.worker.onerror = e => console.log(e);
+    this.queue = [];
+  }
+
+  onMessage(e) {
+    if (this.queue.length === 0)
+      throw Error('Unexpected message from worker');
+    const [msgType, accept, reject] = this.queue.splice(0, 1)[0];
+    if (e.data[0] === msgType + 'Result')
+      accept(e);
+    else
+      reject(e);
+  }
+
+  postMessage(m) {
+    const prom = new Promise((accept, reject) => {
+      this.queue.push([ m[0], accept, reject ]);
+      this.worker.postMessage(m);
+    });
+    return prom;
+  }
+}
+
+export default WBManifestWorkerWrapper;
diff --git a/frontend/src/js/arvados/process/wb-input-spec-info.js b/frontend/src/js/arvados/process/wb-input-spec-info.js
new file mode 100644
index 0000000..12e421a
--- /dev/null
+++ b/frontend/src/js/arvados/process/wb-input-spec-info.js
@@ -0,0 +1,21 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function wbInputSpecInfo(inputSpec) {
+  const isFile = (inputSpec.type === 'File' || inputSpec.type === 'File[]' ||
+    (inputSpec.type.type === 'array' && [].concat(inputSpec.type.items).indexOf('File') !== -1));
+
+  const isDirectory = (inputSpec.type === 'Directory' || inputSpec.type === 'Directory[]' ||
+    (inputSpec.type.type === 'array' && [].concat(inputSpec.type.items).indexOf('Directory') !== -1));
+
+  const isArray = (inputSpec.type === 'File[]' || inputSpec.type === 'Directory[]' ||
+    inputSpec.type.type === 'array');
+
+  return { isFile, isDirectory, isArray };
+}
+
+export default wbInputSpecInfo;
diff --git a/frontend/src/js/arvados/process/wb-parse-workflow-def.js b/frontend/src/js/arvados/process/wb-parse-workflow-def.js
new file mode 100644
index 0000000..a6f5b8c
--- /dev/null
+++ b/frontend/src/js/arvados/process/wb-parse-workflow-def.js
@@ -0,0 +1,18 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function wbParseWorkflowDef(text) {
+  let definition;
+  try {
+    definition = JSON.parse(text);
+  } catch (_) {
+    definition = jsyaml.load(text);
+  }
+  return definition;
+}
+
+export default wbParseWorkflowDef;
diff --git a/frontend/src/js/arvados/process/wb-process-misc.js b/frontend/src/js/arvados/process/wb-process-misc.js
new file mode 100644
index 0000000..86169d5
--- /dev/null
+++ b/frontend/src/js/arvados/process/wb-process-misc.js
@@ -0,0 +1,18 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function encodeURIComponentIncludingDots(s) {
+  return encodeURIComponent(s).replace('.', '%2E');
+}
+
+function parseKeepRef(value) {
+  if (value && typeof(value) === 'object' && 'location' in value && value.location.startsWith('keep:'))
+    return value.location.substr(5);
+  return value;
+}
+
+export { encodeURIComponentIncludingDots, parseKeepRef }
diff --git a/frontend/src/js/arvados/process/wb-process-state-name.js b/frontend/src/js/arvados/process/wb-process-state-name.js
new file mode 100644
index 0000000..d1f89c4
--- /dev/null
+++ b/frontend/src/js/arvados/process/wb-process-state-name.js
@@ -0,0 +1,27 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function wbProcessStateName(containerRequest, container) {
+  const cr = containerRequest;
+  const c = container;
+  if (!c)
+    return cr.state;
+  if (cr.state !== 'Uncommitted' && cr.priority === 0)
+    return 'Cancelled';
+  if (cr.state === 'Uncommitted' || !cr.container_uuid || c.state === 'Queued' || c.state === 'Locked')
+    return 'Pending';
+  if (c.state === 'Running')
+    return 'Running';
+  if (c.state === 'Complete' && c.exit_code === 0)
+    return 'Complete';
+  if (c.state === 'Complete' && c.exit_code !== 0)
+    return 'Failed';
+  if (c.state === 'Cancelled')
+    return 'Cancelled';
+}
+
+export default wbProcessStateName;
diff --git a/frontend/src/js/arvados/process/wb-submit-container-request.js b/frontend/src/js/arvados/process/wb-submit-container-request.js
new file mode 100644
index 0000000..0f41515
--- /dev/null
+++ b/frontend/src/js/arvados/process/wb-submit-container-request.js
@@ -0,0 +1,169 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+import wbUuidsToCwl from 'wb-uuids-to-cwl';
+
+function wbParseWorkflowInputs(workflowDefinition, userInputs, errors) {
+  // first see if all inputs are parseable
+  const inputs = {};
+
+  const main = workflowDefinition['$graph'].find(a => (a.id === '#main'));
+
+  for (let k in userInputs) {
+    try {
+      let val = jsyaml.safeLoad(userInputs[k]);
+      val = wbUuidsToCwl(val);
+      k = k.split('/').slice(1).join('/');
+      inputs[k] = (val === undefined ? null : val);
+    } catch (exc) {
+      errors.push('Error parsing ' + k + ': ' + exc.message);
+    }
+  }
+
+  return inputs;
+}
+
+function ensureSubProject(arvHost, arvToken, projectUuid) {
+  const filters = [
+    [ 'group_class', '=', 'project' ],
+    [ 'owner_uuid', '=', projectUuid ],
+    [ 'properties.type', '=', 'daily_process_subproject_container' ]
+  ];
+
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/groups?filters=' + encodeURIComponent(JSON.stringify(filters)));
+
+  prom = prom.then(xhr => {
+    if (xhr.response.items.length === 0) {
+      let prom_1 = new Promise(accept => accept());
+      prom_1 = prom_1.then(() => makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/groups', { method: 'POST',
+        data: JSON.stringify({ owner_uuid: projectUuid,
+          group_class: 'project',
+          name: 'Container for daily sub-projects for processes',
+          properties: { type: 'daily_process_subproject_container' } }) }));
+      prom_1 = prom_1.then(xhr_1 => xhr_1.response.uuid);
+      return prom_1;
+    }
+    return xhr.response.items[0].uuid;
+  });
+
+  let date = new Date();
+  date = (date.getYear() + 1900) + '-' +
+    ('00' + (date.getMonth() + 1)).slice(-2) + '-' +
+    ('00' + date.getDate()).slice(-2);
+
+  let containerUuid;
+
+  prom = prom.then(uuid => {
+    containerUuid = uuid;
+
+    const filters_1 = [
+      [ 'group_class', '=', 'project'],
+      [ 'owner_uuid', '=', containerUuid ],
+      [ 'properties.type', '=', 'daily_process_subproject' ],
+      [ 'properties.date', '=', date ]
+    ];
+
+    return makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/groups?filters=' + encodeURIComponent(JSON.stringify(filters_1)));
+  });
+
+  prom = prom.then(xhr => {
+    if (xhr.response.items.length === 0) {
+      let prom_1 = new Promise(accept => accept());
+      prom_1 = prom_1.then(() => makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/groups', { method: 'POST',
+        data: JSON.stringify({ owner_uuid: containerUuid,
+          group_class: 'project',
+          name: 'Daily processes sub-project for ' + date,
+          properties: { type: 'daily_process_subproject', date } }) }));
+      prom_1 = prom_1.then(xhr => xhr.response.uuid);
+      return prom_1;
+    }
+    return xhr.response.items[0].uuid;
+  });
+  return prom;
+}
+
+// params:
+//   arvHost, arvToken, inputs,
+//   projectUuid, workflowDefinition, workflowUuid
+//   processName, processDescription, placeInSubProject
+function wbSubmitContainerRequest(params) {
+
+  const { workflowDefinition, workflowUuid,
+    processName, processDescription, inputs,
+    arvHost, arvToken,
+    placeInSubProject } = params;
+
+  let { projectUuid } = params;
+
+  let prom = new Promise(accept => accept());
+
+  if (placeInSubProject) {
+    prom = prom.then(() => ensureSubProject(arvHost, arvToken, projectUuid));
+    prom = prom.then(subProjUuid => (projectUuid = subProjUuid));
+  }
+
+  prom = prom.then(() => {
+    // prepare a request
+    const req = {
+      name: processName,
+      description: processDescription,
+      owner_uuid: projectUuid,
+      container_image: 'arvados/jobs',
+      properties: {
+        template_uuid: workflowUuid
+      },
+      runtime_constraints: {
+        API: true,
+        vcpus: 1,
+        ram: 1073741824
+      },
+      cwd: '/var/spool/cwl',
+      command: [
+        'arvados-cwl-runner',
+        '--local',
+        '--api=containers',
+        '--project-uuid=' + projectUuid,
+        '--collection-cache-size=256',
+        '/var/lib/cwl/workflow.json#main',
+        '/var/lib/cwl/cwl.input.json'],
+      output_path: '/var/spool/cwl',
+      priority: 1,
+      state: 'Committed',
+      mounts: {
+        'stdout': {
+          kind: 'file',
+          path: '/var/spool/cwl/cwl.output.json'
+        },
+        '/var/spool/cwl': {
+          kind: 'collection',
+          writable: true
+        },
+        '/var/lib/cwl/workflow.json': {
+          kind: 'json',
+          content: workflowDefinition
+        },
+        '/var/lib/cwl/cwl.input.json': {
+          kind: 'json',
+          content: inputs
+        }
+      }
+    };
+
+    return makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/container_requests',
+      { method: 'POST', data: JSON.stringify(req) });
+  });
+
+  return prom;
+}
+
+export { wbParseWorkflowInputs, wbSubmitContainerRequest };
diff --git a/frontend/src/js/arvados/process/wb-uuids-to-cwl.js b/frontend/src/js/arvados/process/wb-uuids-to-cwl.js
new file mode 100644
index 0000000..73aa1ef
--- /dev/null
+++ b/frontend/src/js/arvados/process/wb-uuids-to-cwl.js
@@ -0,0 +1,32 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function wbUuidsToCwl(obj) {
+  if (obj instanceof Array) {
+    const res = [];
+    for (let k in obj) {
+        res[k] = wbUuidsToCwl(obj[k]);
+    }
+    return res;
+  }
+
+  if (typeof(obj) === 'string' &&
+    (/^[0-9a-z]{5}-[0-9a-z]{5}-[0-9a-z]{15}/.exec(obj) ||
+      /^[0-9a-f]{32}\+[0-9]+/.exec(obj))) {
+
+    const isDirectory = obj.endsWith('/');
+
+    return {
+      'class': (isDirectory ? 'Directory' : 'File'),
+      'location': 'keep:' + (isDirectory ? obj.substr(0, obj.length - 1) : obj)
+    };
+  }
+
+  throw Error('Expected Arvados path or array of paths');
+}
+
+export default wbUuidsToCwl;
diff --git a/frontend/src/js/component/wb-arvados-crumbs.js b/frontend/src/js/component/wb-arvados-crumbs.js
new file mode 100644
index 0000000..de741ff
--- /dev/null
+++ b/frontend/src/js/component/wb-arvados-crumbs.js
@@ -0,0 +1,55 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBBreadcrumbs from 'wb-breadcrumbs';
+import fetchObjectParents from 'fetch-object-parents';
+
+class WBArvadosCrumbs extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.items = [ { 'name': 'All Projects' } ];
+  }
+
+  fetchCrumbs() {
+    const { mode, uuid, app } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    if (mode === 'shared-with-me') {
+      this.setState({ 'items': [ { 'name': 'Shared with Me' } ] });
+      return;
+    }
+
+    if (!uuid) {
+      this.setState({ 'items': [ { 'name': 'All Projects' } ] });
+      return;
+    }
+
+    let prom = fetchObjectParents(arvHost, arvToken, uuid);
+    prom = prom.then(parents => {
+      this.setState({ 'items': parents });
+    });
+  }
+
+  componentDidMount() {
+    this.fetchCrumbs();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchCrumbs();
+  }
+
+  render({ app }, { items }) {
+    return (
+      <WBBreadcrumbs items={ items }
+        onItemClicked={ item => app.breadcrumbClicked(item) } />
+    );
+  }
+}
+
+export default WBArvadosCrumbs;
diff --git a/frontend/src/js/component/wb-collection-content.js b/frontend/src/js/component/wb-collection-content.js
new file mode 100644
index 0000000..c68fdb5
--- /dev/null
+++ b/frontend/src/js/component/wb-collection-content.js
@@ -0,0 +1,251 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import WBBreadcrumbs from 'wb-breadcrumbs';
+import WBPagination from 'wb-pagination';
+import makeArvadosRequest from 'make-arvados-request';
+import wbDownloadFile from 'wb-download-file';
+import WBManifestWorkerWrapper from 'wb-manifest-worker-wrapper';
+
+function unescapeName(name) {
+  return name.replace(/(\\\\|\\[0-9]{3})/g,
+    (_, $1) => ($1 === '\\\\' ? '\\' : String.fromCharCode(parseInt($1.substr(1), 8))));
+}
+
+function encodeURIComponentIncludingDots(s) {
+  return encodeURIComponent(s).replace('.', '%2E');
+}
+
+function endsWith(what, endings) {
+  if (typeof(endings) === 'string')
+    return what.endsWith(endings);
+  if (endings instanceof Array)
+    return endings.map(a => what.endsWith(a)).reduce((a, b) => (a || b));
+  throw Error('Expected second argument to be either a string or an array');
+}
+
+function maskRows(rows) {
+  return rows.map(r => r.map(c => '-'));
+}
+
+class WBCollectionContent extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.manifestWorker = new WBManifestWorkerWrapper();
+    this.state.loaded = 0;
+    this.state.total = 0;
+    this.state.mode = 'manifestDownload';
+    this.state.parsedStreams = 0;
+    this.state.totalStreams = 1;
+  }
+
+  getUrl(params) {
+    let res = '/collection-browse/' +
+      ('uuid' in params ? params.uuid : this.props.uuid) + '/' +
+      encodeURIComponentIncludingDots('collectionPath' in params ? params.collectionPath : this.props.collectionPath) + '/' +
+      ('page' in params ? params.page : this.props.page);
+    return res;
+  }
+
+  componentDidMount() {
+    let { arvHost, arvToken } = this.props.app.state;
+    let { uuid, collectionPath } = this.props;
+    let { manifestWorker } = this.state;
+
+    let select = [ 'manifest_text' ];
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections/' + uuid +
+      '?select=' + encodeURIComponent(JSON.stringify(select)),
+      { 'onProgress': e => {
+        this.setState({ 'loaded': e.loaded, 'total': e.total });
+      } });
+
+    prom = prom.then(xhr => {
+      const streams = xhr.response.manifest_text.split('\n');
+      const paths = streams.filter(s => s).map(s => {
+        const n = s.indexOf(' ');
+        return unescapeName(s.substr(0, n));
+      });
+
+      let prom_1 = new Promise(accept => accept());
+
+      prom_1 = prom_1.then(() => {
+        this.setState({
+          'totalStreams': streams.length,
+          'parsedStreams': 0,
+          'mode': 'manifestParse'
+        });
+        return manifestWorker.postMessage([ 'precreatePaths', paths ]);
+      });
+
+      let lastListingTimestamp = new Date(0);
+
+      for (let i = 0; i < streams.length; i++) {
+        prom_1 = prom_1.then(() => manifestWorker.postMessage([ 'parseStream', streams[i] ]));
+
+        prom_1 = prom_1.then(() => {
+          if (new Date() - lastListingTimestamp < 1000)
+            return;
+
+          lastListingTimestamp = new Date();
+
+          let prom_2 = new Promise(accept => accept());
+
+          prom_2 = prom_2.then(() => manifestWorker.postMessage([
+            'listDirectory', '.' + this.props.collectionPath, true
+          ]));
+
+          prom_2 = prom_2.then(e => {
+            this.prepareRows(e.data[1]);
+            this.setState({ 'parsedStreams': (i + 1) });
+          });
+
+          return prom_2;
+        });
+      }
+
+      prom_1 = prom_1.then(() => manifestWorker.postMessage([ 'listDirectory',
+        '.' + this.props.collectionPath, true ]));
+
+      prom_1 = prom_1.then(e => {
+        this.state.mode = 'browsingReady';
+        this.prepareRows(e.data[1]);
+      });
+
+      return prom_1;
+    });
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+
+    this.setState({ rows: maskRows(this.state.rows) });
+
+    const { manifestWorker, mode } = this.state;
+    const { collectionPath } = this.props;
+
+    if (mode === 'browsingReady') {
+      let prom = manifestWorker.postMessage([ 'listDirectory', '.' + collectionPath, true ]);
+      prom = prom.then(e => this.prepareRows(e.data[1]));
+    }
+  }
+
+  prepareRows(listing) {
+    let { manifestWorker, mode } = this.state;
+    let { collectionPath, page, itemsPerPage, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    const numPages = Math.ceil(listing.length / itemsPerPage);
+    listing = listing.slice(page * itemsPerPage,
+      page * itemsPerPage + itemsPerPage);
+
+    this.setState({
+      'numPages': numPages,
+      'rows': listing.map(item => (
+        (item[0] === 'd') ? [
+          (<a href={ this.getUrl({ 'collectionPath': collectionPath + '/' + item[1], 'page': 0 }) }>{ item[1] }/</a>),
+          'Directory',
+          null,
+          (<div></div>)
+        ] : [
+          item[1],
+          'File',
+          filesize(item[2]),
+          ( (mode === 'browsingReady') ? (
+            <div>
+              <button class="btn btn-outline-primary mx-1" title="Download"
+                onclick={ () => manifestWorker.postMessage([ 'getFile',
+                    '.' + collectionPath + '/' + item[1] ]).then(e => {
+                      const file = e.data[1];
+                      const blob = new Blob([
+                        JSON.stringify([ arvHost, arvToken, item[1], file ])
+                      ]);
+                      const blocksBlobUrl = URL.createObjectURL(blob);
+                      window.open('/download/' + encodeURIComponent(blocksBlobUrl), '_blank');
+
+                    }) }><i class="fas fa-download"></i></button>
+
+              <button class="btn btn-outline-primary mx-1" title="View"
+                onclick={ () => {
+                  alert('Not implemented.')
+                } }><i class="far fa-eye"></i></button>
+
+              { endsWith(item[1].toLowerCase(), ['.nii', '.nii.gz']) ? (
+                <button class="btn btn-outline-primary mx-1" title="View Image"
+                  onclick={ () => manifestWorker.postMessage([ 'getFile',
+                      '.' + collectionPath + '/' + item[1] ]).then(e => {
+                      const file = e.data[1];
+                      const blob = new Blob([
+                        JSON.stringify({ 'name': item[1], 'file': file })
+                      ]);
+                      const blocksBlobUrl = URL.createObjectURL(blob);
+                      window.open('/image-viewer/' + encodeURIComponent(blocksBlobUrl), '_blank');
+
+                    }) }><i class="fas fa-image"></i></button>
+              ) : null }
+            </div>
+          ) : null)
+        ]
+      ))
+    });
+  }
+
+  render({ collectionPath, page }, { manifestReader, rows,
+    numPages, loaded, total, mode, parsedStreams, totalStreams }) {
+
+    return (
+      <div>
+        <WBBreadcrumbs items={ ('.' + collectionPath).split('/').map((name, index) => ({ name, index })) }
+          getItemUrl={ it => this.getUrl({
+            collectionPath: ('.' + collectionPath).split('/').slice(0, it.index + 1).join('/').substr(1),
+            page: 0
+          }) } />
+
+        { (mode === 'manifestDownload') ?
+          (
+            <div class="container-fluid">
+              <div>Downloading manifest: { filesize(loaded) }</div>
+              <div class="progress">
+                <div class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar"
+                  aria-valuenow="100" aria-valuemin="0" aria-valuemax="100" style="width: 100%"></div>
+              </div>
+            </div>
+
+          ) : (
+            <div>
+              { mode === 'manifestParse' ? (
+                <div class="container-fluid mb-2">
+                  <div>Parsing manifest: { parsedStreams }/{ totalStreams }</div>
+                  <div class="progress">
+                    <div class="progress-bar progress-bar-striped progress-bar-animated bg-success" role="progressbar"
+                      aria-valuenow={ totalStreams } aria-valuemin="0" aria-valuemax={ parsedStreams } style={ 'width: ' + Math.round(parsedStreams * 100 / totalStreams) + '%' }></div>
+                  </div>
+                </div>
+              ) : null }
+
+              <WBTable columns={ [ 'Name', 'Type', 'Size', 'Actions' ] }
+                rows={ rows } />
+
+              <WBPagination activePage={ page } numPages={ numPages }
+                getPageUrl={ page => this.getUrl({ 'page': page }) } />
+            </div>
+          ) }
+      </div>
+    );
+  }
+}
+
+WBCollectionContent.defaultProps = {
+  'collectionPath': '',
+  'page': 0,
+  'itemsPerPage': 20
+};
+
+export default WBCollectionContent;
diff --git a/frontend/src/js/component/wb-collection-fields.js b/frontend/src/js/component/wb-collection-fields.js
new file mode 100644
index 0000000..bdaf69d
--- /dev/null
+++ b/frontend/src/js/component/wb-collection-fields.js
@@ -0,0 +1,99 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+import arvadosObjectName from 'arvados-object-name';
+import urlForObject from 'url-for-object';
+import wbFormatDate from 'wb-format-date';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import WBAccordion from 'wb-accordion';
+import wbFormatSpecialValue from 'wb-format-special-value';
+import WBJsonViewer from 'wb-json-viewer';
+import WBJsonEditor from 'wb-json-editor';
+import wbUpdateField from 'wb-update-field';
+
+class WBCollectionFields extends Component {
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchData();
+  }
+
+  prepareRows(item) {
+    const { app } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    let rows = [
+      [ 'Name', item.name ],
+      [ 'Description', wbFormatSpecialValue(item.description) ],
+      [ 'Properties', (
+        <WBJsonEditor name="Properties" app={ app } value={ item.properties }
+          onChange={ value => wbUpdateField(arvHost, arvToken, item.uuid, 'properties', value)
+            .then(() => { item.properties = value; this.prepareRows(item); }) } />
+      ) ],
+      [ 'Portable Data Hash', item.portable_data_hash ],
+      [ 'Replication Desired', item.replication_desired ? item.replication_desired : (
+        <i>{ String(item.replication_desired) }</i>
+      ) ],
+      [ 'Replication Confirmed', item.replication_confirmed ? item.replication_confirmed : (
+        <i>{ String(item.replication_confirmed) }</i>
+      ) ],
+      [ 'Replication Confirmed At', wbFormatDate(item.replication_confirmed_at) ],
+      [ 'Trash At', wbFormatDate(item.trash_at) ],
+      [ 'Delete At', wbFormatDate(item.delete_at) ],
+      [ 'Is Trashed', String(item.is_trashed) ],
+      [ 'Current Version UUID', (
+        <WBNameAndUuid app={ app } uuid={ item.current_version_uuid } />
+      ) ],
+      [ 'Version', item.version ],
+      [ 'Preserve Version', String(item.preserve_version) ],
+      [ 'File Count', item.file_count ],
+      [ 'Total Size', filesize(item.file_size_total) ]
+    ];
+    this.setState({ 'rows': rows });
+  }
+
+  fetchData() {
+    let { uuid, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    const filters = [
+      ['uuid', '=', uuid]
+    ];
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections?filters=' + encodeURIComponent(JSON.stringify(filters)));
+
+    prom = prom.then(xhr => {
+      const item = xhr.response.items[0];
+      if (!item)
+        throw Error('Item not found');
+      this.prepareRows(item);
+    });
+  }
+
+  render({}, { rows }) {
+    return (
+      rows ? (
+        <WBTable columns={ [ "Name", "Value" ] }
+          headerClasses={ [ "col-sm-2", "col-sm-4" ] }
+          rows={ rows }
+          verticalHeader={ true } />
+      ) : (
+        <div>Loading...</div>
+      )
+    );
+  }
+}
+
+export default WBCollectionFields;
diff --git a/frontend/src/js/component/wb-collection-listing.js b/frontend/src/js/component/wb-collection-listing.js
new file mode 100644
index 0000000..1c743e6
--- /dev/null
+++ b/frontend/src/js/component/wb-collection-listing.js
@@ -0,0 +1,191 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { route } from 'preact-router';
+import makeArvadosRequest from 'make-arvados-request';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import urlForObject from 'url-for-object';
+import arvadosTypeName from 'arvados-type-name';
+import arvadosObjectName from 'arvados-object-name';
+import WBCheckboxes from 'wb-checkboxes';
+
+class WBCollectionListing extends Component {
+
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.numPages = 0;
+    this.state.orderStream = uuid.v4();
+    this.state.collectionTypes = [ 'Intermediate', 'Output', 'Log', 'Other' ];
+    this.state.collectionTypeMask = [ true, true, true, true ];
+  }
+
+  componentDidMount() {
+    this.fetchItems();
+  }
+
+  prepareRows(items, ownerLookup) {
+    let { app, renderRenameLink, renderDeleteButton,
+      renderSelectionCell, renderSharingButton,
+      renderEditDescription } = this.props;
+
+    return items.map(item => [
+      renderSelectionCell(item),
+      (<div>
+        <div>
+          <a href={ urlForObject(item) }>
+            { item['name'] }
+          </a> { renderRenameLink(item, () => this.fetchItems()) }
+        </div>
+        <div>{ item['uuid'] }</div>
+      </div>),
+      (<div>
+        { item['description'] } { renderEditDescription(item, () => this.fetchItems()) }
+      </div>),
+      (<div>
+        <div>
+          { ownerLookup[item.owner_uuid] ? (
+            <a href={ urlForObject(ownerLookup[item.owner_uuid]) }>
+              { arvadosObjectName(ownerLookup[item.owner_uuid]) }
+            </a>
+          ) : 'Not Found' }
+        </div>
+        <div>{ item.owner_uuid }</div>
+      </div>),
+      item['file_count'],
+      filesize(item['file_size_total']),
+      (<div>
+        <a class="btn btn-outline-primary m-1" title="Properties"
+          href={ urlForObject(item, 'properties') }>
+          <i class="fas fa-list-ul"></i>
+        </a>
+
+        { renderDeleteButton(item, () => this.fetchItems()) }
+
+        { renderSharingButton(item) }
+      </div>)
+    ]);
+  }
+
+  fetchItems() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { activePage, itemsPerPage, ownerUuid, textSearch } = this.props;
+    const { collectionTypes, collectionTypeMask } = this.state;
+
+    let filters = [];
+
+    if (ownerUuid)
+      filters.push([ 'owner_uuid', '=', ownerUuid ]);
+
+    if (textSearch)
+      filters.push([ 'any', 'ilike', '%' + textSearch + '%' ]);
+
+    if (collectionTypeMask.filter(a => (!a)).length != 0) {
+      if (collectionTypeMask[3]) {
+        for (let i = 0; i < 3; i++)
+          if (!collectionTypeMask[i])
+            filters.push([ 'properties.type', '!=', collectionTypes[i].toLowerCase() ]);
+      } else {
+        filters.push([ 'properties.type', 'in',
+          collectionTypes.filter((_, k) => collectionTypeMask[k]).map(a => a.toLowerCase()) ]);
+      }
+    }
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections?filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + encodeURIComponent(itemsPerPage) +
+      '&offset=' + encodeURIComponent(itemsPerPage * activePage));
+
+    let collections;
+    let numPages
+
+    prom = prom.then(xhr => {
+      collections = xhr.response['items'];
+      numPages = Math.ceil(xhr.response['items_available'] / xhr.response['limit']);
+
+      let owners = {};
+      collections.map(c => {
+        let typeName = arvadosTypeName(c.owner_uuid);
+        if (!(typeName in owners))
+          owners[typeName] = [];
+        owners[typeName].push(c.owner_uuid);
+      });
+
+      let lookup = {};
+      let prom_1 = new Promise(accept => accept());
+      for (let typeName in owners) {
+        let filters_1 = [
+          ['uuid', 'in', owners[typeName]]
+        ];
+        prom_1 = prom_1.then(() => makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/' + typeName + 's?filters=' +
+          encodeURIComponent(JSON.stringify(filters_1))));
+        prom_1 = prom_1.then(xhr => xhr.response.items.map(item => (
+          lookup[item.uuid] = item)));
+      }
+
+      prom_1 = prom_1.then(() => lookup);
+
+      return prom_1;
+    });
+
+    //let ownerLookup = {};
+    //prom = prom.then(lookup => (ownerLookup = lookup));
+
+    prom = prom.then(ownerLookup =>
+      this.setState({
+        'numPages': numPages,
+        'rows': this.prepareRows(collections, ownerLookup),
+        'error': null
+      }));
+
+    prom = prom.catch(() => this.setState({
+      'error': 'An error occured querying the Arvados API',
+      'rows': []
+    }));
+  }
+
+  componentWillReceiveProps(nextProps, nextState) {
+    this.props = nextProps;
+    this.fetchItems();
+  }
+
+  render({ app, ownerUuid, activePage, getPageUrl }, { rows, numPages, error,
+    collectionTypes, collectionTypeMask }) {
+
+    return (
+      <div>
+        { error ? (<div class="alert alert-danger" role="alert">
+          { error }
+        </div>) : null }
+
+        <WBCheckboxes items={ collectionTypes } checked={ collectionTypeMask }
+          cssClass="float-left mx-2 my-2" title="Collection Type: "
+          onChange={ () => route(getPageUrl(0)) } />
+
+        <WBTable columns={ [ '', 'Name', 'Description', 'Owner', 'File Count', 'Total Size', 'Actions' ] }
+          headerClasses={ [ 'w-1'] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages }
+          activePage={ activePage }
+          getPageUrl={ getPageUrl } />
+      </div>
+    );
+  }
+}
+
+WBCollectionListing.defaultProps = {
+  'itemsPerPage': 100,
+  'ownerUuid': null,
+  'renderSharingButton': () => null,
+  'renderEditDescription': () => null
+};
+
+export default WBCollectionListing;
diff --git a/frontend/src/js/component/wb-common-fields.js b/frontend/src/js/component/wb-common-fields.js
new file mode 100644
index 0000000..4b76f0c
--- /dev/null
+++ b/frontend/src/js/component/wb-common-fields.js
@@ -0,0 +1,79 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+import arvadosObjectName from 'arvados-object-name';
+import urlForObject from 'url-for-object';
+import wbFormatDate from 'wb-format-date';
+import WBNameAndUuid from 'wb-name-and-uuid';
+
+class WBCommonFields extends Component {
+  componentDidMount() {
+    this.prepareRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    // this.setState({ 'rows': null });
+    this.prepareRows();
+  }
+
+  prepareRows() {
+    let { uuid, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    const typeName = arvadosTypeName(uuid);
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/' + typeName + 's/' +
+      encodeURIComponent(uuid));
+
+    prom = prom.then(xhr => {
+      const item = xhr.response;
+      let rows = [
+        [ 'UUID', item.uuid ],
+        [ 'Kind', item.kind ],
+        [ 'Owner', (
+          <WBNameAndUuid app={ app } uuid={ item.owner_uuid } />
+        ) ],
+        [ 'Created at', wbFormatDate(item.created_at) ],
+        [ 'Modified at', wbFormatDate(item.modified_at) ],
+        [ 'Modified by User', (
+          item.modified_by_user_uuid ? (<WBNameAndUuid app={ app } uuid={ item.modified_by_user_uuid } />) : '-'
+        ) ],
+        [ 'Modified by Client', (
+          item.modified_by_client_uuid ? (<WBNameAndUuid app={ app } uuid={ item.modified_by_client_uuid } />) : '-'
+        ) ],
+        [ 'API Url', (
+          <a href={ 'https://' + app.state.arvHost + '/arvados/v1/' + typeName + 's/' + uuid }>
+            { 'https://' + app.state.arvHost + '/arvados/v1/' + typeName + 's/' + uuid }
+          </a>
+        ) ],
+        [ 'ETag', item.etag ]
+      ];
+      this.setState({ 'rows': rows });
+    });
+  }
+
+  render({}, { rows }) {
+    return (
+      rows ? (
+        <WBTable columns={ [ "Name", "Value" ] }
+          headerClasses={ [ "col-sm-2", "col-sm-4" ] }
+          verticalHeader={ true }
+          rows={ rows } />
+      ) : (
+        <div>Loading...</div>
+      )
+    );
+  }
+}
+
+export default WBCommonFields;
diff --git a/frontend/src/js/component/wb-container-fields.js b/frontend/src/js/component/wb-container-fields.js
new file mode 100644
index 0000000..b4b3eaa
--- /dev/null
+++ b/frontend/src/js/component/wb-container-fields.js
@@ -0,0 +1,114 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+import arvadosObjectName from 'arvados-object-name';
+import urlForObject from 'url-for-object';
+import wbFormatDate from 'wb-format-date';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import WBAccordion from 'wb-accordion';
+import WBJsonViewer from 'wb-json-viewer';
+
+class WBContainerFields extends Component {
+  componentDidMount() {
+    this.prepareRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.prepareRows();
+  }
+
+  prepareRows() {
+    let { uuid, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    let item;
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/containers/' + uuid);
+    prom = prom.then(xhr => (item = xhr.response));
+
+    prom = prom.then(() => {
+      let rows = [
+        [ 'State', item.state ],
+        [ 'Started At', wbFormatDate(item.started_at) ],
+        [ 'Finished At', wbFormatDate(item.started_at) ],
+        [ 'Log', item.log ? (
+          <WBNameAndUuid app={ app } uuid={ item.log } />
+        ) : ( <i>{ String(item.log) }</i> ) ],
+        [ 'Environment', (
+          <WBAccordion names={ ['Environment'] }
+            cardHeaderClass="card-header-sm">
+            <WBJsonViewer app={ app } value={ item.environment } />
+          </WBAccordion>
+        ) ],
+        [ 'Working Directory', item.cwd ],
+        [ 'Command', (
+          <WBJsonViewer app={ app } value={ item.command } pretty={ false } />
+        ) ],
+        [ 'Output Path', item.output_path ],
+        [ 'Mounts', (
+          <WBAccordion names={ Object.keys(item.mounts) }
+            cardHeaderClass="card-header-sm">
+            { Object.keys(item.mounts).map(k => (
+              <WBJsonViewer app={ app } value={ item.mounts[k] } />
+            )) }
+          </WBAccordion>
+        ) ],
+        [ 'Runtime Constraints', (
+          <WBAccordion names={ ['Runtime Constraints'] }
+            cardHeaderClass="card-header-sm">
+            <WBJsonViewer app={ app } value={ item.runtime_constraints } />
+          </WBAccordion>
+        ) ],
+        [ 'Runtime Status', (
+          <WBAccordion names={ ['Runtime Status'] }
+            cardHeaderClass="card-header-sm">
+            <WBJsonViewer app={ app } value={ item.runtime_status } />
+          </WBAccordion>
+        ) ],
+        [ 'Scheduling Parameters', (
+          <WBAccordion names={ ['Scheduling Parameters'] }
+            cardHeaderClass="card-header-sm">
+            <WBJsonViewer app={ app } value={ item.scheduling_parameters } />
+          </WBAccordion>
+        ) ],
+        [ 'Output', item.output ? (
+          <WBNameAndUuid app={ app } uuid={ item.output } />
+        ) : ( <i>{ String(item.output) }</i> )],
+        [ 'Container Image', (
+          <WBNameAndUuid app={ app } uuid={ item.container_image } />
+        ) ],
+        [ 'Progress', item.progress ],
+        [ 'Priority', item.priority ],
+        [ 'Exit Code', item.exit_code === null ? ( <i>null</i> ) : item.exit_code ],
+        [ 'Auth UUID', item.auth_uuid === null ? ( <i>null</i> ) : item.auth_uuid ],
+        [ 'Locked by UUID', item.locked_by_uuid === null ? ( <i>null</i> ) : item.locked_by_uuid ]
+      ];
+      rows = rows.map(r => [r[0], r[1] ? r[1] : (<i>{ String(r[1]) }</i>)]);
+      this.setState({ 'rows': rows });
+    });
+  }
+
+  render({}, { rows }) {
+    return (
+      rows ? (
+        <WBTable columns={ [ "Name", "Value" ] }
+          headerClasses={ [ "col-sm-2", "col-sm-4" ] }
+          rows={ rows }
+          verticalHeader={ true } />
+      ) : (
+        <div>Loading...</div>
+      )
+    );
+  }
+}
+
+export default WBContainerFields;
diff --git a/frontend/src/js/component/wb-container-request-fields.js b/frontend/src/js/component/wb-container-request-fields.js
new file mode 100644
index 0000000..13e666d
--- /dev/null
+++ b/frontend/src/js/component/wb-container-request-fields.js
@@ -0,0 +1,139 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+import arvadosObjectName from 'arvados-object-name';
+import urlForObject from 'url-for-object';
+import wbFormatDate from 'wb-format-date';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import WBAccordion from 'wb-accordion';
+import WBJsonViewer from 'wb-json-viewer';
+import wbUpdateField from 'wb-update-field';
+import WBJsonEditor from 'wb-json-editor';
+
+class WBContainerRequestFields extends Component {
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchData();
+  }
+
+  prepareRows(item) {
+    const { app } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    let rows = [
+      [ 'Name', item.name ],
+      [ 'Description', item.description || (<i>{ String(item.description) }</i>) ],
+      [ 'Properties', (
+        <WBJsonEditor name="Properties" app={ app } value={ item.properties }
+          onChange={ value => wbUpdateField(arvHost, arvToken, item.uuid, 'properties', value)
+            .then(() => { item.properties = value; this.prepareRows(item); }) } />
+      ) ],
+      [ 'State', item.state ],
+      [ 'Requesting Container', (
+        <WBNameAndUuid app={ app } uuid={ item.requesting_container_uuid } />
+      ) ],
+      [ 'Container', (
+        <WBNameAndUuid app={ app } uuid={ item.container_uuid } />
+      ) ],
+      [ 'Container Count Max', item.container_count_max ],
+      [ 'Mounts', (
+        <WBAccordion names={ Object.keys(item.mounts) }
+          cardHeaderClass="card-header-sm">
+          { Object.keys(item.mounts).map(k => (
+            <WBJsonViewer app={ app } value={ item.mounts[k] } />
+          )) }
+        </WBAccordion>
+      ) ],
+      [ 'Runtime Constraints', (
+        <WBAccordion names={ ['Runtime Constraints'] }
+          cardHeaderClass="card-header-sm">
+          <WBJsonViewer app={ app } value={ item.runtime_constraints } />
+        </WBAccordion>
+      ) ],
+      [ 'Scheduling Parameters', (
+        <WBAccordion names={ ['Scheduling Parameters'] }
+          cardHeaderClass="card-header-sm">
+          <WBJsonViewer app={ app } value={ item.scheduling_parameters } />
+        </WBAccordion>
+      ) ],
+      [ 'Container Image', (
+        <WBNameAndUuid app={ app } uuid={ item.container_image } />
+      ) ],
+      [ 'Environment', (
+        <WBAccordion names={ ['Environment'] }
+          cardHeaderClass="card-header-sm">
+          <WBJsonViewer app={ app } value={ item.environment } />
+        </WBAccordion>
+      ) ],
+      [ 'Working Directory', item.cwd ],
+      [ 'Command', (
+        <WBJsonViewer app={ app } value={ item.command } pretty={ false } />
+      ) ],
+      [ 'Output Path', item.output_path ],
+      [ 'Output Name', item.output_name ],
+      [ 'Output TTL', item.output_ttl ],
+      [ 'Priority', item.priority ],
+      [ 'Expires At', wbFormatDate(item.expires_at) ],
+      [ 'Use Existing', String(item.use_existing) ],
+      [ 'Log', (
+        <WBNameAndUuid app={ app } uuid={ item.log_uuid } />
+      ) ],
+      [ 'Output', (
+        <WBNameAndUuid app={ app } uuid={ item.output_uuid } />
+      ) ],
+      [ 'Filters', (
+        item.filters ? (<WBJsonViewer app={ app } value={ item.filters } />) : (<i>{ String(item.filters) }</i>)
+      ) ],
+      [ 'Runtime Token', item.runtime_token || (<i>{ String(item.runtime_token) }</i>) ],
+      [ 'Runtime User', (
+        <WBNameAndUuid app={ app } uuid={ item.runtime_user } />
+      ) ],
+      [ 'Runtime Auth Scopes', (
+        item.runtime_auth_scopes ? (
+          <WBJsonViewer app={ app } value={ item.runtime_auth_scopes } />
+        ) : (
+          <i>{ String(item.runtime_auth_scopes) }</i>
+        )
+      ) ]
+    ];
+    rows = rows.map(r => [r[0], r[1] ? r[1] : (<i>{ String(r[1]) }</i>)]);
+    this.setState({ rows });
+  }
+
+  fetchData() {
+    let { uuid, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    let item;
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/container_requests/' + uuid);
+    prom = prom.then(xhr => this.prepareRows(xhr.response));
+  }
+
+  render({}, { rows }) {
+    return (
+      rows ? (
+        <WBTable columns={ [ "Name", "Value" ] }
+          headerClasses={ [ "col-sm-2", "col-sm-4" ] }
+          rows={ rows }
+          verticalHeader={ true } />
+      ) : (
+        <div>Loading...</div>
+      )
+    );
+  }
+}
+
+export default WBContainerRequestFields;
diff --git a/frontend/src/js/component/wb-inline-search.js b/frontend/src/js/component/wb-inline-search.js
new file mode 100644
index 0000000..457017c
--- /dev/null
+++ b/frontend/src/js/component/wb-inline-search.js
@@ -0,0 +1,22 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBInlineSearch extends Component {
+  render({ textSearch, navigate }) {
+    return (
+      <div class="form-inline my-2 my-lg-0">
+        <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search"
+          value={ textSearch } onchange={ navigate ? (e => navigate(e.target.value)) : null } />
+        <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
+      </div>
+    );
+  }
+}
+
+export default WBInlineSearch;
diff --git a/frontend/src/js/component/wb-json-editor.js b/frontend/src/js/component/wb-json-editor.js
new file mode 100644
index 0000000..2f6798a
--- /dev/null
+++ b/frontend/src/js/component/wb-json-editor.js
@@ -0,0 +1,85 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBJsonViewer from 'wb-json-viewer';
+import WBAccordion from 'wb-accordion';
+import WBDialog from 'wb-dialog';
+
+class WbJsonEditorDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+  }
+
+  render({ name, onChange }, { editValue, parseError }) {
+    return (
+      <WBDialog title={ 'Edit ' + name } ref={ this.dialogRef }
+        accept={ () => {
+          onChange(JSON.parse(editValue));
+        } }
+        canAccept={ () => {
+          try { JSON.parse(editValue) }
+          catch (exc) { this.setState({ parseError: exc.message }); return false; }
+          return true;
+        } }>
+        <div>
+          <textarea class="form-control wb-json-editor" value={ editValue } rows="10"
+            onChange={ e => this.setState({ editValue: e.target.value }) } />
+          { parseError ? (
+            <div class="alert alert-danger mt-2" role="alert">
+              { parseError }
+            </div>
+          ) : null }
+        </div>
+      </WBDialog>
+    );
+  }
+
+  show() {
+    this.dialogRef.current.show();
+  }
+}
+
+class WBJsonEditor extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+  }
+
+  render({ app, name, value, stringify, pretty, onChange }, { editValue, parseError }) {
+    return (
+      <div>
+        <WbJsonEditorDialog name={ name } onChange={ onChange } ref={ this.dialogRef } />
+        <WBAccordion names={ [ name ] } extraHeaderUi={ [ (
+          <button class="btn btn-link px-0" title="Edit"
+            onclick={ () => {
+              const dlg = this.dialogRef.current;
+              dlg.setState({ parseError: null,
+                  editValue: stringify ?
+                  pretty ? JSON.stringify(value, null, 2)
+                  : JSON.stringify(value) : value });
+              dlg.show();
+            } }>
+            <i class="fas fa-edit text-secondary" />
+          </button>
+        ) ] } cardHeaderClass="card-header-sm">
+          <WBJsonViewer app={ app } value={ value } stringify={ stringify }
+            pretty={ pretty } />
+        </WBAccordion>
+      </div>
+    );
+  }
+}
+
+WBJsonEditor.defaultProps = {
+  stringify: true,
+  pretty: true,
+  onChange: () => {}
+};
+
+export default WBJsonEditor;
diff --git a/frontend/src/js/component/wb-json-viewer.js b/frontend/src/js/component/wb-json-viewer.js
new file mode 100644
index 0000000..a77c8dd
--- /dev/null
+++ b/frontend/src/js/component/wb-json-viewer.js
@@ -0,0 +1,50 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBIdTools from 'wb-id-tools';
+import urlForObject from 'url-for-object';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosObjectName from 'arvados-object-name';
+import WBLazyInlineName from 'wb-lazy-inline-name';
+
+function detectIds(value, app) {
+  const matches = WBIdTools.detectIdentifiers(value);
+  matches.sort((a, b) => (a.index - b.index));
+  const res = [];
+  let ofs = 0;
+  for (let i = 0; i < matches.length; i++) {
+    const { index } = matches[i];
+    const id = matches[i][0];
+    const typeName = WBIdTools.typeName(id);
+    const url = (typeName === 'group' ? '/browse/' + id :
+      typeName === 'collection' ? '/collection-browse/' + id :
+      urlForObject({ uuid: id }));
+    res.push(value.substring(ofs, index));
+    res.push(h(WBLazyInlineName, { identifier: id, app }, id));
+    ofs = index + id.length;
+  }
+  res.push(value.substring(ofs));
+  return res;
+}
+
+class WBJsonViewer extends Component {
+  render({ value, stringify, app, pretty }) {
+    if (stringify)
+      value = pretty ? JSON.stringify(value, null, 2) : JSON.stringify(value);
+    return (
+      <div class="wb-json-viewer">{ detectIds(value, app) }</div>
+    );
+  }
+}
+
+WBJsonViewer.defaultProps = {
+  stringify: true,
+  pretty: true
+};
+
+export default WBJsonViewer;
diff --git a/frontend/src/js/component/wb-lazy-inline-name.js b/frontend/src/js/component/wb-lazy-inline-name.js
new file mode 100644
index 0000000..295736c
--- /dev/null
+++ b/frontend/src/js/component/wb-lazy-inline-name.js
@@ -0,0 +1,66 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import WBIdTools from 'wb-id-tools';
+import urlForObject from 'url-for-object';
+import arvadosObjectName from 'arvados-object-name';
+
+class WBLazyInlineName extends Component {
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.identifier === this.props.identifier)
+      return;
+    this.setState({ item: null });
+  }
+
+  fetchData() {
+    const { app, identifier } = this.props;
+    const { arvHost, arvToken } = app.state;
+    const typeName = WBIdTools.typeName(identifier);
+    if (WBIdTools.isPDH(identifier)) {
+      const filters = [
+        [ 'portable_data_hash', '=', identifier ]
+      ];
+      let prom = makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/collections?filters=' + encodeURIComponent(JSON.stringify(filters)));
+      prom = prom.then(xhr => this.setState({ item: {
+        uuid: xhr.response.items.length > 0 ? xhr.response.items[0].uuid : '',
+        name: xhr.response.items.length > 0 ? xhr.response.items[0].name : 'Not Found' +
+          ( xhr.response.items_available > 1 ? ' (+' + (xhr.response.items_available - 1) + ' others)' : '' )
+      }}));
+      return;
+    }
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/' + typeName + 's/' + identifier);
+    prom = prom.then(xhr => this.setState({ item: xhr.response }));
+    prom = prom.catch(() => this.setState({ item: { name: 'Not Found' }}));
+  }
+
+  render({ identifier }, { item }) {
+    if (item) {
+      return (
+        <a href={ urlForObject(item) }>{ arvadosObjectName(item) }</a>
+      );
+    }
+
+    const typeName = WBIdTools.typeName(identifier);
+    const url = (typeName === 'group' ? '/browse/' + identifier :
+      typeName === 'collection' ? '/collection-browse/' + identifier :
+      urlForObject({ uuid: identifier }));
+    return (
+      <span>
+        <a href={ url }>{ identifier }</a> <a href="#" title="Look up"
+          onclick={ e => { e.preventDefault(); this.fetchData(); } }>
+          <i class="fas fa-search"></i>
+        </a>
+      </span>
+    );
+  }
+}
+
+export default WBLazyInlineName;
diff --git a/frontend/src/js/component/wb-live-logs.js b/frontend/src/js/component/wb-live-logs.js
new file mode 100644
index 0000000..99d4c6c
--- /dev/null
+++ b/frontend/src/js/component/wb-live-logs.js
@@ -0,0 +1,82 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import WBPagination from 'wb-pagination';
+
+class WBLiveLogs extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.page = 0;
+    this.state.moreItemsPerPage = false;
+    this.terminalRef = createRef();
+  }
+
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.uuid === this.props.uuid);
+      return;
+    this.props = nextProps;
+    this.state.page = 0;
+    this.fetchData();
+  }
+
+  fetchData() {
+    const { uuid, app } = this.props;
+    let { itemsPerPage } = this.props;
+    const { page, moreItemsPerPage } = this.state;
+    if (moreItemsPerPage)
+      itemsPerPage *= 10;
+    const { arvHost, arvToken } = app.state;
+    const filters = [
+      [ 'object_uuid', '=', uuid ]
+    ];
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/logs?filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&offset=' + (itemsPerPage * page) +
+      '&limit=' + itemsPerPage);
+    prom = prom.then(xhr => {
+      const { items } = xhr.response;
+      this.setState({
+        content: items
+          .filter(a => ('text' in a.properties))
+          .map(a => a.properties.text.trim()).join('\n'),
+        numPages: Math.ceil(xhr.response.items_available / itemsPerPage)
+      });
+      this.terminalRef.current.scrollTo(0, 0);
+    });
+  }
+
+  render({}, { content, page, numPages, moreItemsPerPage }) {
+    return (
+      <div>
+        <div class="custom-control custom-switch">
+          <input type="checkbox" class="custom-control-input" id="morePerPageSwitch"
+            checked = { moreItemsPerPage ? 'checked' : null }
+            onchange={ e => { this.state.moreItemsPerPage = e.target.checked;
+              this.state.page = 0; this.fetchData(); } } />
+          <label class="custom-control-label" for="morePerPageSwitch">More log entries per page</label>
+        </div>
+        <WBPagination activePage={ page } numPages={ numPages }
+          onPageChanged={ page => { this.state.page = page; this.fetchData(); } } />
+        <pre class="word-wrap terminal" ref={ this.terminalRef }>
+          { content }
+        </pre>
+      </div>
+    );
+  }
+}
+
+WBLiveLogs.defaultProps = {
+  itemsPerPage: 100
+};
+
+export default WBLiveLogs;
diff --git a/frontend/src/js/component/wb-name-and-uuid.js b/frontend/src/js/component/wb-name-and-uuid.js
new file mode 100644
index 0000000..e63c166
--- /dev/null
+++ b/frontend/src/js/component/wb-name-and-uuid.js
@@ -0,0 +1,130 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import urlForObject from 'url-for-object';
+import arvadosObjectName from 'arvados-object-name';
+import arvadosTypeName from 'arvados-type-name';
+
+class WBNameAndUuid extends Component {
+  fetchData() {
+    const { uuid, app, lookup } = this.props;
+
+    if (!uuid)
+      return;
+
+    if (lookup && (uuid in lookup)) {
+      this.setState({ 'item': lookup[uuid]});
+      return;
+    }
+
+    const { arvHost, arvToken } = app.state;
+
+    let prom = new Promise(accept => accept());
+
+    if (/[0-9a-f]{32}\+[0-9]+/g.exec(uuid)) {
+      let filters = [
+        ['portable_data_hash', '=', uuid]
+      ];
+      prom = prom.then(() => makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/collections?filters=' +
+        encodeURIComponent(JSON.stringify(filters))));
+      prom = prom.then(xhr => {
+        if (xhr.response.items.length === 0) {
+          this.setState({
+            'item': {
+              'uuid': uuid,
+              'name': 'Collection with portable data hash ' + uuid
+            }
+          });
+          return;
+        }
+        let item = xhr.response.items[0];
+        if (xhr.response.items.length > 1)
+          item.name += ' +' + (xhr.response.items.length - 1) + ' others';
+        this.setState({ item });
+      });
+
+    } else if (/[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}/.exec(uuid)) {
+      let typeName = arvadosTypeName(uuid);
+      const filters = [
+        ['uuid', '=', uuid]
+      ];
+      let prom = makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/' + typeName +
+        's?filters=' + encodeURIComponent(JSON.stringify(filters)));
+      prom = prom.then(xhr => {
+        const item = xhr.response.items[0];
+        if (!item)
+          this.setState({ 'error': 'Item not found' });
+        else
+          this.setState({
+            'item': item
+          });
+      });
+      prom = prom.catch(xhr => {
+        this.setState({
+          'error': 'Unable to retrieve: ' + xhr.status + ' (' + xhr.statusText + ')'
+        });
+      });
+
+    } else {
+      this.setState({
+        'item': {
+          'uuid': uuid
+        }
+      });
+    }
+  }
+
+  componentDidMount() {
+    if (this.props.lazy)
+      ;//this.setState({ item: { uuid: this.props.uuid }});
+    else
+      this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (this.props.uuid === nextProps.uuid)
+      return;
+
+    if (nextProps.lazy) {
+      this.setState({ item:  null });
+
+    } else {
+      this.props = nextProps;
+      this.fetchData();
+    }
+  }
+
+  render({ uuid, onLinkClicked, lazy }, { error, item }) {
+    if (!uuid)
+      return (
+        <div><i>{ String(uuid) }</i></div>
+      );
+
+    return (
+      <div>
+        <div>
+          { error ? error : (item ? (
+            <a href={ urlForObject(item) } onclick={ onLinkClicked }>{ arvadosObjectName(item) }</a>
+          ) : (lazy ? null : 'Loading...')) }
+        </div>
+        <div>
+          { uuid } { (lazy && !item) ? (
+            <a href="#" title="Look up" onclick={ e => { e.preventDefault(); this.fetchData(); } }>
+              <i class="fas fa-search"></i>
+            </a>
+          ) : null }
+        </div>
+      </div>
+    );
+  }
+}
+
+export default WBNameAndUuid;
diff --git a/frontend/src/js/component/wb-navbar-common.js b/frontend/src/js/component/wb-navbar-common.js
new file mode 100644
index 0000000..c691eec
--- /dev/null
+++ b/frontend/src/js/component/wb-navbar-common.js
@@ -0,0 +1,38 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbar from 'wb-navbar';
+import WBInlineSearch from 'wb-inline-search';
+
+class WBNavbarCommon extends Component {
+  render({ app, items, activeItem, textSearch, textSearchNavigate }) {
+    return (
+      <WBNavbar
+        items={ [
+          { 'name': 'Home', 'id': 'home' },
+          { 'name': 'All Projects', 'id': 'all-projects' },
+          { 'name': 'All Users', 'id': 'all-users' },
+          { 'name': 'Shared with Me', 'id': 'shared-with-me' },
+          { 'name': 'Current User', 'dropdown': [ { 'id': 'sign-out', 'name': 'Sign Out' } ]},
+          { name: (<span>What's New <sup><span class="badge badge-info">Info</span></sup></span>), id: 'whatsnew' }
+        ].concat(items) }
+        rhs={ textSearchNavigate ? (
+          <WBInlineSearch textSearch={ textSearch } navigate={ textSearchNavigate } />
+        ) : null }
+        titleUrl = { '/browse/' + app.state.currentUser.uuid }
+        getItemUrl={ item => app.navbarItemUrl(item) }
+        activeItem={ activeItem } />
+    );
+  }
+}
+
+WBNavbarCommon.defaultProps = {
+  'items': []
+};
+
+export default WBNavbarCommon;
diff --git a/frontend/src/js/component/wb-path-display.js b/frontend/src/js/component/wb-path-display.js
new file mode 100644
index 0000000..e61780c
--- /dev/null
+++ b/frontend/src/js/component/wb-path-display.js
@@ -0,0 +1,60 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import { encodeURIComponentIncludingDots } from 'wb-process-misc';
+
+class WBPathDisplay extends Component {
+  fetchData() {
+    const { app } = this.props;
+    const { arvHost, arvToken } = app.state;
+    let { path } = this.props;
+    if (path.endsWith('/'))
+      path = path.substr(0, path.length - 1);
+    let m;
+    if (m = /^[0-9a-f]{32}\+[0-9]+/.exec(path));
+    else if (m = /^[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}/.exec(path));
+    else return;
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections/' + m[0]);
+    prom = prom.then(xhr => this.setState({
+      item: xhr.response,
+      tail: path.substr(m[0].length)
+    }));
+    prom = prom.catch(() => this.setState({ 'error': 'Cannot load' }));
+  }
+
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchData();
+  }
+
+  render({}, { item, tail, error }) {
+    if (error)
+      return error;
+
+    if (!item)
+      return 'Loading...';
+
+    return (
+      <span>
+        <a href={ '/collection-browse/' + item.uuid }>
+          { item.name || item.uuid }
+        </a><a href={ '/collection-browse/' + item.uuid + '/' + encodeURIComponentIncludingDots(tail) }>
+          { tail }
+        </a>
+      </span>
+    );
+  }
+}
+
+export default WBPathDisplay;
diff --git a/frontend/src/js/component/wb-process-dashboard.js b/frontend/src/js/component/wb-process-dashboard.js
new file mode 100644
index 0000000..1114101
--- /dev/null
+++ b/frontend/src/js/component/wb-process-dashboard.js
@@ -0,0 +1,141 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import wbProcessStateName from 'wb-process-state-name';
+
+function getAll(makeRequest) {
+  let prom = makeRequest(0);
+  prom = prom.then(xhr => {
+    const { items, limit, items_available } = xhr.response;
+    let res = [].concat(items);
+    let prom_1 = new Promise(accept => accept());
+    for (let ofs = limit; ofs < items_available; ofs += limit) {
+      prom_1 = prom_1.then(() => makeRequest(ofs));
+      prom_1 = prom_1.then(xhr_1 => {
+        res = res.concat(xhr_1.response.items);
+      });
+    }
+    prom_1 = prom_1.then(() => res);
+    return prom_1;
+  });
+  return prom;
+}
+
+class WBProcessDashboard extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = Array(5).fill(Array(6).fill('-'));
+  }
+
+  fetchData() {
+    const { app, parentProcessUuid } = this.props;
+    const { arvHost, arvToken } = app.state;
+    let prom = new Promise(accept => accept());
+    if (parentProcessUuid) {
+      prom = prom.then(() => {
+        return makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/container_requests/' + encodeURIComponent(parentProcessUuid));
+      });
+      prom = prom.then(xhr => {
+        const cr = xhr.response;
+        if (!cr.container_uuid)
+          return [];
+        const filters = [ [ 'requesting_container_uuid', '=', cr.container_uuid ] ];
+        return getAll(ofs =>
+          makeArvadosRequest(arvHost, arvToken,
+            '/arvados/v1/container_requests?filters=' +
+            encodeURIComponent(JSON.stringify(filters)) +
+            '&order=' + encodeURIComponent(JSON.stringify(['uuid asc'])) +
+            '&offset=' + ofs));
+      });
+    } else {
+      prom = prom.then(() => {
+        return getAll(ofs => makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/container_requests?order=' +
+          encodeURIComponent(JSON.stringify(['uuid asc'])) + '&offset=' + ofs));
+      });
+    }
+    let crlist;
+    prom = prom.then(crl => {
+      crlist = crl;
+      const uuids = crlist.map(a => a.container_uuid);
+      // uuids = uuids.slice(0, 2);
+      // crlist.map(a => ( crdict[a.uuid] = a));
+      const filters = [ [ 'uuid', 'in', uuids ] ];
+      return getAll(ofs => makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/containers?filters=' + encodeURIComponent(JSON.stringify(filters)) +
+        '&order=' + encodeURIComponent(JSON.stringify([ 'uuid asc' ])) +
+        '&offset=' + ofs));
+    });
+    prom = prom.then(cl => {
+      cl.map(a => (crlist.find(b => (b.container_uuid === a.uuid)).container = a));
+      crlist.map(a => (a.wb_state = wbProcessStateName(a, a.container)));
+      const stats = {};
+      for (let state in { 'Pending': 1, 'Running': 1, 'Complete': 1, 'Failed': 1, 'Cancelled': 1 }) {
+        const f = crlist.filter(a => (a.wb_state === state));
+        stats[state] = { 'Count': f.length };
+        if (state === 'Pending')
+          f.map(a => (a.wb_wait_time = (new Date() - new Date(a.created_at)) / 3.6e6));
+        else
+          f.map(a => (a.wb_wait_time = Math.max(0, (a.container ? new Date(a.container.started_at) : new Date(0)) - new Date(a.created_at)) / 3.6e6));
+        f.sort((a, b) => (a.wb_wait_time - b.wb_wait_time));
+        stats[state]['Shortest Wait Time'] = f.length ? (f[0].wb_wait_time.toFixed(2) + ' hours') : '-';
+        stats[state]['Longest Wait Time'] = f.length ? (f[f.length - 1].wb_wait_time.toFixed(2) + ' hours') : '-';
+        if (state === 'Pending')
+          f.map(a => (a.wb_run_time = 0));
+        else if (state === 'Running')
+          f.map(a => (a.wb_run_time = (new Date() - new Date(a.container.started_at)) / 3.6e6));
+        else
+          f.map(a => (a.wb_run_time = Math.max(0, a.container ? new Date(a.container.finished_at) - new Date(a.container.started_at) : 0) / 3.6e6));
+        f.sort((a, b) => (a.wb_run_time - b.wb_run_time));
+        stats[state]['Shortest Run Time'] = f.length ? (f[0].wb_run_time.toFixed(2) + ' hours') : '-';
+        stats[state]['Longest Run Time'] = f.length ? (f[f.length - 1].wb_run_time.toFixed(2) + ' hours') : '-';
+      }
+      const rows = [];
+      for (let st in { 'Count': 1, 'Shortest Wait Time': 1, 'Longest Wait Time': 1,
+        'Shortest Run Time': 1, 'Longest Run Time': 1}) {
+        rows.push([st].concat(['Pending', 'Running', 'Complete', 'Failed', 'Cancelled'].map(a => stats[a][st])));
+      }
+      this.setState({ rows });
+    });
+  }
+
+  componentDidMount() {
+    if (!this.props.lazy)
+      this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.parentProcessUuid === this.props.parentProcessUuid)
+      return;
+
+    if (this.props.lazy) {
+      this.setState({ rows: Array(5).fill(Array(6).fill('-')) });
+      return;
+    }
+
+    this.props = nextProps;
+    this.fetchData();
+  }
+
+  render({ lazy }, { rows }) {
+    return (
+      <div>
+        <WBTable columns={ [ 'State', 'Pending', 'Running', 'Complete', 'Failed', 'Cancelled' ] }
+          rows={ rows } verticalHeader={ true } />
+        { lazy ? (
+          <a href="#" onclick={ e => { e.preventDefault(); this.fetchData(); } }>Refresh</a>
+        ) : null }
+      </div>
+    );
+  }
+}
+
+export default WBProcessDashboard;
diff --git a/frontend/src/js/component/wb-process-listing.js b/frontend/src/js/component/wb-process-listing.js
new file mode 100644
index 0000000..355fc90
--- /dev/null
+++ b/frontend/src/js/component/wb-process-listing.js
@@ -0,0 +1,155 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { route } from 'preact-router';
+import makeArvadosRequest from 'make-arvados-request';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import WBCheckboxes from 'wb-checkboxes';
+import wbFormatDate from 'wb-format-date';
+import wbFetchObjects from 'wb-fetch-objects';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import WBProcessState from 'wb-process-state';
+
+function maskRows(rows) {
+  return rows.map(r => r.map(c => '-'));
+}
+
+class WBProcessListing extends Component {
+
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.numPages = 0;
+    this.state.requestStates = [ 'Uncommitted', 'Committed', 'Final' ];
+    this.state.reqStateMask = [ true, true, true ];
+  }
+
+  componentDidMount() {
+    this.fetchItems();
+  }
+
+  cancelProcess(uuid) {
+    const { app } = this.props;
+    const { arvHost, arvToken } = app.state;
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/container_requests/' + encodeURIComponent(uuid),
+      { method: 'PUT', data: JSON.stringify({ priority: 0 }) });
+    prom = prom.then(() => {
+      this.setState({ rows: maskRows(this.state.rows) });
+      this.fetchItems();
+    });
+  }
+
+  prepareRows(requests, containerLookup, ownerLookup, outputLookup) {
+    const { app, renderRenameLink, renderDeleteButton,
+      renderSelectionCell, renderSharingButton,
+      renderEditDescription } = this.props;
+
+    return requests.map(item => {
+      return ( [
+        renderSelectionCell(item),
+        (<div>
+          <div>
+            <a href={ '/process/' + item['uuid'] }>
+              { item['name'] }
+            </a> { renderRenameLink(item, () => this.fetchItems()) }
+          </div>
+          <div>{ item['uuid'] }</div>
+          <div class="mt-2">
+            { item.description } { renderEditDescription(item, () => this.fetchItems()) }
+          </div>
+        </div>),
+        ( <WBProcessState app={ app } process={ item } lazy={ true } /> ),
+        ( <WBNameAndUuid app={ app } uuid={ item['owner_uuid'] } lazy={ true } /> ),
+        wbFormatDate(item['created_at']),
+        ( <WBNameAndUuid app={ app } uuid={ item['output_uuid'] } lazy={ true } /> ),
+        (<div>
+          <button class="btn btn-outline-warning m-1" onclick={ () => this.cancelProcess(item.uuid) }>
+            <i class="fas fa-stop-circle"></i>
+          </button>
+          { renderDeleteButton(item, () => this.fetchItems()) }
+          { renderSharingButton(item) }
+        </div>)
+      ] );
+    });
+  }
+
+  fetchItems() {
+    const { arvHost, arvToken } = this.props.appState;
+    const { requestStates, reqStateMask } = this.state;
+    const { activePage, itemsPerPage, ownerUuid,
+      requestingContainerUuid, waitForNextProps,
+      textSearch } = this.props;
+
+    if (waitForNextProps)
+      return;
+
+    const filters = [
+      [ 'requesting_container_uuid', '=', requestingContainerUuid ]
+    ];
+    if (!reqStateMask.reduce((a, b) => a & b))
+      filters.push([ 'state', 'in', requestStates.filter((_, idx) => reqStateMask[idx]) ]);
+    if (ownerUuid)
+      filters.push([ 'owner_uuid', '=', ownerUuid ]);
+    if (textSearch)
+      filters.push([ 'any', 'ilike', '%' + textSearch + '%' ])
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/container_requests?filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage +
+      '&offset=' + (itemsPerPage * activePage));
+
+    prom = prom.then(xhr =>
+      this.setState({
+        'numPages': Math.ceil(xhr.response['items_available'] / xhr.response['limit']),
+        'rows': this.prepareRows(xhr.response.items)
+      }));
+  }
+
+  componentWillReceiveProps(nextProps, nextState) {
+    this.props = nextProps;
+    this.setState({ 'rows': maskRows(this.state.rows) });
+    this.fetchItems();
+  }
+
+  render({ appState, ownerUuid, activePage, onPageChanged, getPageUrl },
+    { rows, numPages, requestStates, containerStates,
+      reqStateMask, contStateMask }) {
+
+    return (
+      <div>
+        <WBCheckboxes items={ requestStates } checked={ reqStateMask }
+          cssClass="float-left mx-2 my-2" title="Request State: "
+          onChange={ () => this.fetchItems() } />
+
+        <WBTable columns={ [ '', 'Name', 'Status', 'Owner', 'Created At', 'Output', 'Actions' ] }
+          headerClasses={ [ 'w-1' ] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages }
+          activePage={ activePage }
+          getPageUrl={ getPageUrl }
+          onPageChanged={ onPageChanged } />
+      </div>
+    );
+  }
+}
+
+WBProcessListing.defaultProps = {
+  itemsPerPage: 100,
+  ownerUuid: null,
+  requestingContainerUuid: null,
+  renderRenameLink: () => null,
+  renderDeleteButton: () => null,
+  renderSelectionCell: () => null,
+  renderSharingButton: () => null,
+  renderEditDescription: () => null
+};
+
+export default WBProcessListing;
diff --git a/frontend/src/js/component/wb-process-state.js b/frontend/src/js/component/wb-process-state.js
new file mode 100644
index 0000000..a1446d6
--- /dev/null
+++ b/frontend/src/js/component/wb-process-state.js
@@ -0,0 +1,64 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import wbProcessStateName from 'wb-process-state-name';
+
+class WBProcessState extends Component {
+  componentDidMount() {
+    if (!this.props.lazy)
+      this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (this.props.lazy) {
+      this.setState({ container: null, apiError: null });
+
+    } else {
+      this.props = nextProps;
+      this.fetchData();
+    }
+  }
+
+  fetchData() {
+    const { app, process } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    if (!process.container_uuid)
+      return;
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/containers/' + process.container_uuid);
+    prom = prom.then(xhr => this.setState({ 'container': xhr.response }));
+    prom = prom.catch(() => this.setState({ 'apiError': 'Failed to fetch container' }));
+  }
+
+  render({ process, lazy }, { container, apiError }) {
+    const runtimeStatus = container ? container.runtime_status : null;
+    const error = runtimeStatus ? runtimeStatus.error : null;
+    const warning = runtimeStatus ? runtimeStatus.warning : null;
+
+    return (
+      <div>
+        { wbProcessStateName(process, container) }
+        { apiError ? <i>{ [ ' / ', apiError ] }</i> : null }
+        { error ? [" / ", <a href={ '/container/' + container.uuid }
+          title={ error }>E</a> ] : null }
+        { warning ? [ " / ", <a href={ '/container/' + container.uuid }
+          title={ warning }>W</a> ] : null } {}
+        { lazy && !container && !apiError ? (
+          <a href="#" title="Look up" onclick={ e => { e.preventDefault(); this.fetchData(); } }>
+            <i class="fas fa-search"></i>
+          </a>
+        ) : null }
+      </div>
+    );
+  }
+}
+
+export default WBProcessState;
diff --git a/frontend/src/js/component/wb-project-fields.js b/frontend/src/js/component/wb-project-fields.js
new file mode 100644
index 0000000..f821c9c
--- /dev/null
+++ b/frontend/src/js/component/wb-project-fields.js
@@ -0,0 +1,77 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import WBAccordion from 'wb-accordion';
+import WBJsonViewer from 'wb-json-viewer';
+import wbFormatSpecialValue from 'wb-format-special-value';
+import WBLazyInlineName from 'wb-lazy-inline-name';
+import wbFormatDate from 'wb-format-date';
+import wbUpdateField from 'wb-update-field';
+import WBJsonEditor from 'wb-json-editor';
+
+class WBProjectFields extends Component {
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchData();
+  }
+
+  prepareRows(item) {
+    const { app } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    const rows = [
+      [ 'Name', wbFormatSpecialValue(item.name) ],
+      [ 'Description', wbFormatSpecialValue(item.description) ],
+      [ 'Properties', (
+        <WBJsonEditor name="Properties" app={ app } value={ item.properties }
+          onChange={ value => wbUpdateField(arvHost, arvToken, item.uuid, 'properties', value)
+            .then(() => { item.properties = value; this.prepareRows(item); }) } />
+      ) ],
+      [ 'Writable by', item.writable_by
+        .map(a => (<WBLazyInlineName app={ app } identifier={ a } />))
+        .reduce((a, b) => [].concat(a).concat(', ').concat(b))
+      ],
+      [ 'Trash At', wbFormatDate(item.trash_at) ],
+      [ 'Delete At', wbFormatDate(item.delete_at) ],
+      [ 'Is Trashed', wbFormatSpecialValue(item.is_trashed) ]
+    ];
+
+    this.setState({ rows });
+  }
+
+  fetchData() {
+    let { uuid, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/groups/' + uuid);
+
+    prom = prom.then(xhr => this.prepareRows(xhr.response));
+  }
+
+  render({}, { rows }) {
+    return (
+      rows ? (
+        <WBTable columns={ [ "Name", "Value" ] }
+          headerClasses={ [ "col-sm-2", "col-sm-4" ] }
+          rows={ rows }
+          verticalHeader={ true } />
+      ) : (
+        <div>Loading...</div>
+      )
+    );
+  }
+}
+
+export default WBProjectFields;
diff --git a/frontend/src/js/component/wb-project-listing.js b/frontend/src/js/component/wb-project-listing.js
new file mode 100644
index 0000000..b3b6557
--- /dev/null
+++ b/frontend/src/js/component/wb-project-listing.js
@@ -0,0 +1,110 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { route } from 'preact-router';
+import makeArvadosRequest from 'make-arvados-request';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import urlForObject from 'url-for-object';
+
+class WBProjectListing extends Component {
+
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.numPages = 0;
+  }
+
+  componentDidMount() {
+    this.fetchItems();
+  }
+
+  prepareRows(items) {
+    const { app, renderRenameLink, renderDeleteButton,
+      renderSelectionCell, renderSharingButton,
+      renderEditDescription } = this.props;
+
+    return items.map(item => [
+      renderSelectionCell(item),
+      (<div>
+        <div>
+          <a href={ '/browse/' + item.uuid }>
+            { item['name'] }
+          </a> { renderRenameLink(item, () => this.fetchItems()) }
+        </div>
+        <div>{ item['uuid'] }</div>
+      </div>),
+      (<div>
+        { item['description'] } { renderEditDescription(item, () => this.fetchItems()) }
+      </div>),
+      ( <WBNameAndUuid app={ app } uuid={ item['owner_uuid'] } lazy={ true } /> ),
+      (<div>
+        <a class="btn btn-outline-primary m-1" title="Properties"
+          href={ urlForObject(item, 'properties') }>
+          <i class="fas fa-list-ul"></i>
+        </a>
+        { renderDeleteButton(item, () => this.fetchItems()) }
+        { renderSharingButton(item) }
+      </div>)
+    ]);
+  }
+
+  fetchItems() {
+    let { activePage, mode, itemsPerPage, ownerUuid, app, textSearch } = this.props;
+    let { arvHost, arvToken } = app.state;
+    let filters = [
+      [ 'group_class', '=', 'project' ]
+    ];
+    if (ownerUuid)
+      filters.push([ 'owner_uuid', '=', ownerUuid ]);
+    if (textSearch)
+      filters.push([ 'any', 'ilike', '%' + textSearch + '%' ]);
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/groups' + (mode === 'shared-with-me' ? '/shared' : '') +
+      '?filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage +
+      '&offset=' + (itemsPerPage * activePage));
+    prom = prom.then(xhr =>
+      this.setState({
+        'numPages': Math.ceil(xhr.response['items_available'] / xhr.response['limit']),
+        'rows': this.prepareRows(xhr.response['items'])
+      }));
+  }
+
+  componentWillReceiveProps(nextProps, nextState) {
+    // this.setState({ 'rows': [] }); // .rows = [];
+    this.props = nextProps;
+    this.fetchItems();
+  }
+
+  render({ arvHost, arvToken, ownerUuid, activePage, getPageUrl }, { rows, numPages }) {
+    return (
+      <div>
+        <WBTable columns={ [ '', 'Name', 'Description', 'Owner', 'Actions' ] }
+          headerClasses={ [ 'w-1' ] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages }
+          activePage={ activePage }
+          getPageUrl={ getPageUrl } />
+      </div>
+    );
+  }
+}
+
+WBProjectListing.defaultProps = {
+  'itemsPerPage': 100,
+  'ownerUuid': null,
+  'renderRenameLink': () => null,
+  'renderDeleteButton': () => null,
+  'renderSelectionCell': () => null,
+  'renderEditDescription': () => null
+};
+
+export default WBProjectListing;
diff --git a/frontend/src/js/component/wb-user-listing.js b/frontend/src/js/component/wb-user-listing.js
new file mode 100644
index 0000000..acf5257
--- /dev/null
+++ b/frontend/src/js/component/wb-user-listing.js
@@ -0,0 +1,75 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBPagination from 'wb-pagination';
+import makeArvadosRequest from 'make-arvados-request';
+import urlForObject from 'url-for-object';
+
+class WBUserListing extends Component {
+  componentDidMount() {
+    this.preparePage();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.preparePage();
+  }
+
+  preparePage() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { itemsPerPage, page, textSearch } = this.props;
+
+    const order = ['last_name asc'];
+
+    const filters = [];
+    if (textSearch)
+      filters.push([ 'any', 'ilike', '%' + textSearch + '%' ]);
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/users?order=' + encodeURIComponent(JSON.stringify(order)) +
+      '&filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage + '&offset=' + (itemsPerPage * page));
+    prom = prom.then(xhr => {
+      this.setState({
+        'items': xhr.response['items'],
+        'numPages': Math.ceil(xhr.response['items_available'] / itemsPerPage)
+      });
+    });
+  }
+
+  render({ app, page, getPageUrl }, { items, numPages }) {
+    return (
+      <div class="container-fluid">
+        <h1>Users</h1>
+        <div class="d-flex flex-wrap">
+          { items ? items.map(it => (
+            <div class="card mx-2 my-2">
+              <h5 class="card-header">
+                <a href={ urlForObject(it) }>{ it.last_name + ', ' + it.first_name }</a>
+              </h5>
+              <div class="card-body">
+                <div><a href={ 'mailto:' + it.email }>{ it.email }</a></div>
+                <div>{ it.uuid }</div>
+              </div>
+            </div>
+          )) : 'Loading...' }
+        </div>
+
+        <WBPagination activePage={ page } numPages={ numPages }
+          getPageUrl={ getPageUrl } />
+      </div>
+    );
+  }
+}
+
+WBUserListing.defaultProps = {
+  'itemsPerPage': 20,
+  'page': 0
+};
+
+export default WBUserListing;
diff --git a/frontend/src/js/component/wb-workflow-fields.js b/frontend/src/js/component/wb-workflow-fields.js
new file mode 100644
index 0000000..92a53f0
--- /dev/null
+++ b/frontend/src/js/component/wb-workflow-fields.js
@@ -0,0 +1,112 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import WBAccordion from 'wb-accordion';
+import WBJsonViewer from 'wb-json-viewer';
+
+class WBWorkflowFields extends Component {
+  componentDidMount() {
+    this.prepareRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.prepareRows();
+  }
+
+  prepareRows() {
+    let { uuid, app } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/workflows/' + uuid);
+
+    prom = prom.then(xhr => {
+      const item = xhr.response;
+      let definition;
+      try {
+        definition = JSON.parse(item.definition);
+      } catch (_) {
+        definition = jsyaml.load(item.definition);
+      }
+      const graph = definition['$graph'];
+
+      let rows = [
+        [ 'Name', item.name ],
+        [ 'Description', item.description || (<i>{ String(item.description) }</i>) ],
+        [ 'CWL Version', definition.cwlVersion ],
+      ];
+
+      let keys = graph.map(it => it.id);
+      keys.sort();
+      keys = keys.splice(keys.indexOf('#main'), 1).concat(keys);
+
+      keys.map(k => {
+        const it = graph.find(it => (it.id === k));
+        rows.push([
+          it.id, (
+            <div>
+              <div>Class: { it['class'] }</div>
+              { it.label ? <div>Label: { it.label }</div> : null }
+              { it.doc ? <div>Doc: { it.doc }</div> : null }
+              <WBAccordion names={ [ 'Inputs', 'Outputs', 'Rest' ] }
+                cardHeaderClass="card-header-sm">
+
+                <WBJsonViewer app={ app } value={ it.inputs } />
+
+                <WBJsonViewer app={ app } value={ it.outputs } />
+
+                { (() => {
+                  delete it['inputs'];
+                  delete it['outputs'];
+                  delete it['class'];
+                  delete it['label'];
+                  delete it['doc'];
+                  delete it['id'];
+                  return (
+                    <WBJsonViewer app={ app } value={ it } />
+                  );
+                })() }
+
+              </WBAccordion>
+            </div>
+          )]);
+      });
+
+      /*  [ 'Graph', (
+          <WBAccordion names={ graph.map(it => it.id) }
+            cardHeaderClass="card-header-sm">
+
+            { graph.map(it => (
+              <WBJsonViewer app={ app } value={ it } />
+            )) }
+
+          </WBAccordion>
+        ) ]
+      ];*/
+      this.setState({ 'rows': rows });
+    });
+  }
+
+  render({}, { rows }) {
+    return (
+      rows ? (
+        <WBTable columns={ [ "Name", "Value" ] }
+          headerClasses={ [ "col-sm-2", "col-sm-4" ] }
+          rows={ rows }
+          verticalHeader={ true } />
+      ) : (
+        <div>Loading...</div>
+      )
+    );
+  }
+}
+
+export default WBWorkflowFields;
diff --git a/frontend/src/js/component/wb-workflow-input.js b/frontend/src/js/component/wb-workflow-input.js
new file mode 100644
index 0000000..633c0a5
--- /dev/null
+++ b/frontend/src/js/component/wb-workflow-input.js
@@ -0,0 +1,78 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import wbInputSpecInfo from 'wb-input-spec-info';
+import WBPathDisplay from 'wb-path-display';
+import { parseKeepRef } from 'wb-process-misc';
+
+class WBWorkflowInput extends Component {
+  render({ app, inputSpec, inputsDict, browseDialogRef }) {
+    const { isFile, isDirectory, isArray } = wbInputSpecInfo(inputSpec);
+
+    if (!isFile && !isDirectory)
+      return (
+        <div>
+          <input class="form-control w-100" type="text" placeholder={ inputSpec.label }
+            value={ inputsDict[inputSpec.id] }
+            onchange={ e => (inputsDict[inputSpec.id] = e.target.value) }></input>
+          <div class="mt-2 text-muted">{ inputSpec.doc }</div>
+        </div>
+      );
+
+    const button = (
+      <button class="btn btn-outline-primary"
+        onclick={ e => {
+          e.preventDefault();
+          browseDialogRef.current.show(
+            [].concat(isFile ? 'file' : []).concat(isDirectory ? 'directory' : []),
+            isArray,
+            v => {
+              inputsDict[inputSpec.id] = JSON.stringify(v);
+              this.setState({});
+            });
+        } }>
+        Browse...
+      </button>
+    );
+
+    let value = inputsDict[inputSpec.id];
+    if (value) {
+      try {
+        value = jsyaml.load(value);
+      } catch (_) {}
+    }
+
+    return (
+      <div>
+        <div class="input-group">
+          <input class="form-control w-100" type="text" placeholder={ inputSpec.label }
+            value={ inputsDict[inputSpec.id] }
+            onchange={ e => (inputsDict[inputSpec.id] = e.target.value) }></input>
+          <div class="input-group-append">
+            { button }
+          </div>
+        </div>
+        <div class="mt-2 text-muted">{ inputSpec.doc }</div>
+        { value ?
+          isArray ? (
+            <ul class="mb-0">
+              { value.map(path => (
+                <li>
+                  <WBPathDisplay app={ app } path={ parseKeepRef(path) } />
+                </li>
+              )) }
+            </ul>
+        ) : (
+          <WBPathDisplay app={ app } path={ parseKeepRef(value) } />
+        ) : null }
+      </div>
+    );
+  }
+}
+
+export default WBWorkflowInput;
diff --git a/frontend/src/js/component/wb-workflow-listing.js b/frontend/src/js/component/wb-workflow-listing.js
new file mode 100644
index 0000000..6e5c806
--- /dev/null
+++ b/frontend/src/js/component/wb-workflow-listing.js
@@ -0,0 +1,116 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import wbFetchObjects from 'wb-fetch-objects';
+import wbFormatDate from 'wb-format-date';
+import urlForObject from 'url-for-object';
+import arvadosObjectName from 'arvados-object-name';
+
+class WBWorkflowListing extends Component {
+
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.numPages = 0;
+  }
+
+  componentDidMount() {
+    this.fetchItems();
+  }
+
+  prepareRows(items, ownerLookup) {
+    const { renderRenameLink, renderDeleteButton,
+      renderSelectionCell, renderSharingButton,
+      renderEditDescription } = this.props;
+
+    return items.map(item => [
+      renderSelectionCell(item),
+      (
+        <div>
+          <div>
+            <a href={ urlForObject(item) }>
+              { arvadosObjectName(item) }
+            </a> { renderRenameLink(item, () => this.fetchItems()) }
+          </div>
+          <div>{ item.uuid }</div>
+        </div>
+      ),
+      (<div>
+         { item.description } { renderEditDescription(item, () => this.fetchItems()) }
+      </div>),
+      ( <WBNameAndUuid uuid={ item.owner_uuid } lookup={ ownerLookup } /> ),
+      wbFormatDate(item.created_at),
+      (<div>
+        <a class="btn btn-outline-success mx-1 my-1" title="Launch"
+          href={ urlForObject(item, 'launch') }><i class="fas fa-running"></i></a>
+        <button class="btn btn-outline-primary mx-1 my-1" title="View"><i class="far fa-eye"></i></button>
+        { renderDeleteButton(item, () => this.fetchItems()) }
+        { renderSharingButton(item) }
+      </div>)
+    ]);
+  }
+
+  fetchItems() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { page, itemsPerPage, ownerUuid, textSearch } = this.props;
+    const filters = [];
+    if (ownerUuid)
+      filters.push([ 'owner_uuid', '=', ownerUuid ]);
+    if (textSearch)
+      filters.push([ 'any', 'ilike', '%' + textSearch + '%' ]);
+    const select = ['uuid', 'name', 'description', 'owner_uuid', 'created_at'];
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/workflows?filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&select=' + encodeURIComponent(JSON.stringify(select)) +
+      '&limit=' + encodeURIComponent(itemsPerPage) +
+      '&offset=' + encodeURIComponent(itemsPerPage * page));
+    let workflowResp;
+    prom = prom.then(xhr => (workflowResp = xhr.response));
+    prom = prom.then(() => wbFetchObjects(arvHost, arvToken,
+      workflowResp.items.map(it => it.owner_uuid)));
+    let ownerLookup;
+    prom = prom.then(lookup => (ownerLookup = lookup));
+    prom = prom.then(() =>
+      this.setState({
+        'numPages': Math.ceil(workflowResp['items_available'] / workflowResp['limit']),
+        'rows': this.prepareRows(workflowResp.items, ownerLookup)
+      }));
+  }
+
+  componentWillReceiveProps(nextProps, nextState) {
+    this.props = nextProps;
+    this.fetchItems();
+  }
+
+  render({ app, ownerUuid, page, getPageUrl }, { rows, numPages }) {
+    return (
+      <div>
+        <WBTable columns={ [ '', 'Name', 'Description', 'Owner', 'Created At', 'Actions' ] }
+          headerClasses={ [ 'w-1' ] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages }
+          activePage={ page }
+          getPageUrl={ getPageUrl } />
+      </div>
+    );
+  }
+}
+
+WBWorkflowListing.defaultProps = {
+  'itemsPerPage': 100,
+  'ownerUuid': null,
+  'renderSharingButton': () => null,
+  'renderEditDescription': () => null
+};
+
+export default WBWorkflowListing;
diff --git a/frontend/src/js/deprecated/fetch-project-parents.js b/frontend/src/js/deprecated/fetch-project-parents.js
new file mode 100644
index 0000000..2106eb7
--- /dev/null
+++ b/frontend/src/js/deprecated/fetch-project-parents.js
@@ -0,0 +1,50 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+
+function fetchProjectParents(arvHost, arvToken, uuid) {
+  let parents = [];
+
+  let cb = xhr => {
+    let objectType = xhr.response['uuid'].split('-')[1];
+
+    if (objectType === 'tpzed') {
+      let name = xhr.response['first_name'] + ' ' + xhr.response['last_name'];
+      parents.push({ 'name': name, 'uuid': xhr.response['uuid'] });
+    } else {
+      parents.push({ 'name': xhr.response['name'],
+        'uuid': xhr.response['uuid'] });
+    }
+
+    if (!xhr.response['owner_uuid'] ||
+      xhr.response['owner_uuid'].endsWith('-tpzed-000000000000000')) {
+
+      return parents.reverse();
+    }
+
+    objectType = xhr.response['owner_uuid'].split('-')[1];
+
+    if (objectType === 'tpzed') {
+      return makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/users/' + xhr.response['owner_uuid']).then(cb);
+
+    } else {
+      return makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/groups/' + xhr.response['owner_uuid']).then(cb);
+    }
+  };
+
+  let objectType = uuid.split('-')[1];
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/' + (objectType === 'tpzed' ? 'users' : 'groups') + '/' + uuid);
+  prom = prom.then(cb);
+
+  return prom;
+}
+
+export default fetchProjectParents;
diff --git a/frontend/src/js/deprecated/wb-arvados-collection.js b/frontend/src/js/deprecated/wb-arvados-collection.js
new file mode 100644
index 0000000..e54b291
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-arvados-collection.js
@@ -0,0 +1,57 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+
+class WBArvadosCollection {
+  constructor(arvHost, arvToken, uuid) {
+    this.arvHost = arvHost;
+    this.arvToken = arvToken;
+    this.uuid = uuid;
+    this.meta = null;
+  }
+
+  fetchMeta() {
+    let prom = makeArvadosRequest(this.arvHost, this.arvToken,
+      '/arvados/v1/collections/' + this.uuid);
+    prom = prom.then(xhr => {
+      this.meta = xhr.response;
+    });
+    return prom;
+  }
+
+  parseManifest() {
+    if (this.meta === null)
+      throw Error('You must call fetchMeta() first and wait for the returned Promise.');
+
+    let manifest = this.meta.manifest_text;
+    let streams = manifest.split('\n');
+    this.content = streams.map(s => {
+      let tokens = s.split(' ');
+      let streamName = tokens[0];
+      let rx = /^[a-f0-9]{32}\+[0-9]+/;
+      let n = tokens.map(t => rx.exec(t));
+      n = n.indexOf(null);
+      let locators = tokens.slice(1, n)
+      let fileTokens = tokens.slice(n);
+      let fileNames = fileTokens.map(t => t.split(':')[2]);
+      let fileSizes = {};
+      fileTokens.map(t => {
+        let [ start, end, name ] = t.split(':');
+        if (!(name in fileSizes))
+          fileSizes[name] = 0;
+        fileSizes[name] += Number(end) - Number(start);
+      });
+      fileSizes = fileNames.map(n => fileSizes[n]);
+      return [ streamName, fileNames, fileSizes ];
+    });
+
+    return this.content;
+  }
+}
+
+export WBArvadosCollection;
diff --git a/frontend/src/js/deprecated/wb-browse-dialog.js b/frontend/src/js/deprecated/wb-browse-dialog.js
new file mode 100644
index 0000000..4009914
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-browse-dialog.js
@@ -0,0 +1,42 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBBrowseDialog extends Component {
+  constructor(...args) {
+    super(...args);
+  }
+
+  render({ id }) {
+    return (
+      <div class="modal" id={ id } tabindex="-1" role="dialog">
+        <div class="modal-dialog modal-lg" role="document">
+          <div class="modal-content">
+            <div class="modal-header">
+              <h5 class="modal-title">Browse</h5>
+              <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                <span aria-hidden="true">&times;</span>
+              </button>
+            </div>
+
+            <div class="modal-body m-0 p-0">
+              <iframe style="width: 100%;" src="/browse" />
+            </div>
+
+            <div class="modal-footer">
+              <button type="button" class="btn btn-primary">Accept</button>
+              <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}
+
+export default WBBrowseDialog;
diff --git a/frontend/src/js/deprecated/wb-collection-manifest.js b/frontend/src/js/deprecated/wb-collection-manifest.js
new file mode 100644
index 0000000..17f892e
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-collection-manifest.js
@@ -0,0 +1,187 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+//
+// Directory: Hash[string, [Directory, File]]
+// File = [blockRefs, size]
+// blockRefs: Array[blockRef]
+// blockRef: [locator, position, size]
+// locator: String
+// position: Number
+// size: Number
+//
+
+class WBManifestReader {
+  constructor(manifest_text) {
+    this.rootDir = {};
+
+    if (!manifest_text)
+      return;
+
+    this.parse(manifest_text);
+  }
+
+  makeDir(parent, name) {
+    if (!(name in parent))
+      parent[name] = {};
+    if (parent[name] instanceof Array)
+      throw Error('Conflict trying to create a directory - a file with the same name already exists: ' + name);
+    return parent[name];
+  }
+
+  makePath(path) {
+    if (typeof(path) === 'string')
+      path = path.split('/');
+    let dir = this.rootDir;
+    for (let i = 1; i < path.length; i++)
+      dir = this.makeDir(dir, path[i]);
+    return dir;
+  }
+
+  appendFile(streamName, locators, position, size, fileName) {
+    let path = streamName + '/' + fileName;
+    path = path.split('/');
+    let dir = this.makePath(path.slice(0, path.length - 1));
+    if (!(fileName in dir))
+      dir[fileName] = [[], 0];
+    if (!(dir[fileName] instanceof Array))
+      throw Error('Conflict trying to create a file - a directory with the same name already exists: ' + fileName);
+    //this.appendReferences(dir[fileName], locators, position, size);
+  }
+
+  appendReferences(file, locators, position, size) {
+    if (size === 0)
+      return;
+
+    let cum = 0;
+    let locHashes = locators.map(loc => loc[0]);
+    let locSizes = locators.map(loc => loc[1]);
+    let locPositions = locators.map(loc => {
+      let res = cum;
+      cum += loc[1];
+      return res;
+    });
+
+    let used = locators.map((_, i) => (locPositions[i] + locSizes[i] > position &&
+      locPositions[i] < position + size));
+
+    let startBlock = used.indexOf(true);
+    let endBlock = used.lastIndexOf(true) + 1;
+
+    // console.log('startBlock: ' + startBlock + ', endBlock: ' + endBlock);
+
+    if (startBlock === -1)
+      return;
+
+    let blockRefs = [];
+    let runPos = position;
+    let runSize = size;
+
+    for (let i = startBlock; i < endBlock; i++) {
+      let blockPos = runPos - locPositions[i];
+      let blockSize = Math.min(runSize, locSizes[i] - blockPos);
+      blockRefs.push([ locHashes[i], blockPos, blockSize ]);
+      runPos += blockSize;
+      runSize -= blockSize;
+    }
+
+    file[0] = file[0].concat(blockRefs);
+    file[1] += size;
+  }
+
+  parse(manifest_text) {
+    let rx = /^[a-f0-9]{32}\+[0-9]+/;
+
+    let streams = manifest_text.split('\n');
+    if (!streams[streams.length - 1])
+      streams = streams.slice(0, streams.length - 1);
+
+    streams.map(s => {
+      let tokens = s.split(' ');
+      let streamName = this.unescapeName(tokens[0]);
+
+      let n = tokens.map(t => rx.exec(t));
+      n = n.indexOf(null, 1);
+
+      let locators = tokens.slice(1, n);
+      locators = locators.map(loc => [ loc, Number(loc.split('+')[1]) ]);
+
+      let fileTokens = tokens.slice(n);
+      fileTokens.map(t => {
+        let [ position, size, ...fileName ] = t.split(':');
+        fileName = fileName.join(':');
+        fileName = this.unescapeName(fileName);
+        this.appendFile(streamName, locators,
+          Number(position), Number(size), fileName);
+      });
+    });
+  }
+
+  findDir(path) {
+    if (typeof(path) === 'string')
+      path = path.split('/');
+    if (path[0] !== '.')
+      throw Error('Path must begin with a dot component');
+    let dir = this.rootDir;
+    for (let i = 1; i < path.length; i++) {
+      if (!(path[i] in dir))
+        throw Error('Directory not found');
+      if (dir[path[i]] instanceof Array)
+        throw Error('Path is a file not directory');
+      dir = dir[path[i]];
+    }
+    return dir;
+  }
+
+  listDirectory(path) {
+    let dir = this.findDir(path);
+    let keys = Object.keys(dir);
+    keys.sort();
+    let subdirs = keys.filter(k => !(dir[k] instanceof Array));
+    let files = keys.filter(k => (dir[k] instanceof Array));
+    let res = subdirs.map(k => [ 'd', k, null ]);
+    res = res.concat(files.map(k => [ 'f', k, dir[k][1] ]));
+    return res;
+  }
+
+  unescapeName(name) {
+    return name.replace(/(\\\\|\\[0-9]{3})/g, (_, $1) => ($1 === '\\\\' ? '\\' : String.fromCharCode(parseInt($1.substr(1), 8))));
+  }
+
+  escapeName(name) {
+    return name.replace(/ /g, '\\040');
+  }
+  /*  let ids = { '\\': 1, '0': 2, '4': 3 };
+    let transitions = [
+      [ [0, 0], [1, ''], [0, 0], [0, 0] ],
+      [ [0, 0], [0, '\\'], [2, ''], [0, 0] ],
+    ];
+    let mode = 0;
+    for (let i = 0; i < name.length; i++) {
+      let b = name[i];
+      let tokenId = Number(ids[b]);
+      [ mode, out ] = transitions[mode][tokenId];
+      if (out === 0)
+        out = b;
+    }
+  }*/
+  getFile(path) {
+    if (typeof(path) === 'string')
+      path = path.split('/');
+    if (path.length < 2)
+      throw Error('Invalid file path');
+    let name = path[path.length - 1];
+    let dir = this.findDir(path.slice(0, path.length - 1));
+    if (!(name in dir))
+      throw Error('File not found');
+    if (!(dir[name] instanceof Array))
+      throw Error('Path points to a directory not a file');
+    return dir[name];
+  }
+}
+
+export { WBManifestReader };
diff --git a/frontend/src/js/deprecated/wb-download-file.js b/frontend/src/js/deprecated/wb-download-file.js
new file mode 100644
index 0000000..37b0586
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-download-file.js
@@ -0,0 +1,72 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import makeArvadosRequest from 'make-arvados-request';
+
+function rdvHash(serviceId, locator) {
+  let blockHash = /^[0-9a-f]{32}/.exec(locator);
+  if (!blockHash)
+    throw Error('Invalid locator');
+  if (typeof(serviceId) !== 'string')
+    throw Error('Invalid service ID');
+  let res = CryptoJS.MD5(serviceId + blockHash).toString();
+  return res;
+}
+
+function wbDownloadFile(arvHost, arvToken,
+  manifestReader, path) {
+
+  const file = manifestReader.getFile(path);
+  const name = path.split('/').reverse()[0];
+  const blockRefs = file[0];
+  let services;
+
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/keep_services/accessible');
+  prom = prom.then(xhr => (services = xhr.response['items']));
+
+  const blocks = [];
+  for (let i = 0; i < blockRefs.length; i++) {
+    prom = prom.then(() => {
+      const [ locator, position, size ] = blockRefs[i];
+      const weights = services.map(s => rdvHash(s['uuid'], locator));
+      const order = Object.keys(services).sort((a, b) => weights[b].localeCompare(weights[a]));
+      const orderedServices = order.map(i => services[i]);
+
+      let k = 0;
+      const cb = () => {
+        if (k >= orderedServices.length)
+          throw Error('Block not found');
+
+        const svc = orderedServices[k];
+        k++;
+
+        let prom_1 = makeArvadosRequest(svc.service_host +
+          ':' + svc.service_port, arvToken,
+          '/' + locator, { 'useSsl': svc.service_ssl_flag,
+          'responseType': 'arraybuffer' });
+        //prom_1 = prom_1.then(xhr => xhr.response);
+        prom_1 = prom_1.catch(cb);
+
+        return prom_1;
+      };
+
+      return cb().then(xhr => (blocks.append(xhr.response.slice(position, size))));
+    });
+  }
+
+  prom = prom.then(() => {
+    const blob = new Blob(blocks);
+    const url = window.URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = name;
+
+  });
+}
+
+export default wbDownloadFile;
diff --git a/frontend/src/js/deprecated/wb-manifest-reader.js b/frontend/src/js/deprecated/wb-manifest-reader.js
new file mode 100644
index 0000000..c407002
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-manifest-reader.js
@@ -0,0 +1,188 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function mkdir(parent, name) {
+  if (name in parent && (parent[name] instanceof Array))
+    throw Error('File with the same name already exists');
+  if (name in parent)
+    return parent[name];
+  const dir = {};
+  parent[name] = dir;
+  return dir;
+}
+
+function mkpath(parent, path) {
+  if (typeof(path) === 'string')
+    path = path.split('/');
+  let dir = parent;
+  for (let i = 1; i < path.length; i++) {
+    dir = mkdir(dir, path[i]);
+  }
+  return dir;
+}
+
+function makeFile(dir, name) {
+  if (name in dir) {
+    if (!(dir[name] instanceof Array))
+      throw Error('Directory with the same name already exists');
+    return dir[name];
+  }
+  const f = [[], 0];
+  dir[name] = f;
+  return f;
+}
+
+function appendFile(f, sidx, seg) {
+  f[0].push([ sidx, seg[0], seg[1] ]);
+  //f[1] += seg[1];
+  return f;
+}
+
+function unescapeName(name) {
+  return name.replace(/(\\\\|\\[0-9]{3})/g,
+    (_, $1) => ($1 === '\\\\' ? '\\' : String.fromCharCode(parseInt($1.substr(1), 8))));
+}
+
+function process(streams) {
+  const rootDir = {};
+
+  streams.map((s, sidx) => {
+    const [ streamName, locators, segments ] = s;
+    const streamDir = mkpath(rootDir, streamName);
+    segments.map((seg, segidx) => {
+      let name = seg[2].split('/');
+      const dir = (name.length === 1 ? streamDir :
+        mkpath(streamDir, ['.'].concat(name.slice(0, name.length - 1))));
+      name = name[name.length - 1];
+      appendFile(dir, name, sidx, seg);
+    });
+  });
+
+  return rootDir;
+}
+
+function parse(manifestText) {
+  const M_STREAM_NAME = 0;
+  const M_LOCATORS = 1;
+  const M_FILE_SEGMENTS = 2;
+
+  let mode = M_STREAM_NAME;
+
+  const streams = [];
+  let locators = [];
+
+  let streamName;
+  let accum = '';
+  let tokenStart = 0;
+
+  let lastFile = null;
+  let lastPath = null;
+  const rootDir = {};
+
+  for (let i = 0; i < manifestText.length; i++) {
+    const c = manifestText[i];
+
+    if (mode === M_STREAM_NAME) {
+      if (c === ' ') {
+        mode = M_LOCATORS;
+        streamName = unescapeName(accum);
+        accum = '';
+        tokenStart = i + 1;
+      } else {
+        accum += c;
+      }
+
+    } else if (mode === M_LOCATORS) {
+      if (c === ':') {
+        mode = M_FILE_SEGMENTS;
+        accum = '';
+        i = tokenStart - 1;
+        let pos = 0;
+        locators = locators.map(loc => {
+          const r = loc.concat([ pos, pos + loc[1] ]);
+          pos += loc[1];
+          return r;
+        });
+      } else if (c === ' ') {
+        const sz = Number(accum.split('+')[1]);
+        locators.push([accum, sz]);
+        accum = '';
+        tokenStart = i + 1;
+      } else {
+        accum += c;
+      }
+
+    } else if (mode === M_FILE_SEGMENTS) {
+      if (c === ' ' || c === '\n') {
+        let seg = accum.split(':');
+        seg = [Number(seg[0]), Number(seg[1]), seg.slice(2).join(':')];
+        const path = streamName + '/' + unescapeName(seg[2]);
+        let f;
+        if (path !== lastPath) {
+          let dirName = path.split('/');
+          const fileName = dirName[dirName.length - 1];
+          dirName = dirName.slice(0, dirName.length - 1);
+          const dir = mkpath(rootDir, dirName);
+          f = makeFile(dir, fileName);
+          lastPath = path;
+          lastFile = f;
+        } else {
+          f = lastFile;
+        }
+        appendFile(f, streams.length, seg);
+        accum = '';
+        tokenStart = i + 1;
+        if (c === '\n') {
+          streams.push([ streamName, locators ]);
+          locators = [];
+          mode = M_STREAM_NAME;
+        }
+      } else {
+        accum += c;
+      }
+
+    }
+  }
+
+  return { rootDir, streams };
+}
+
+function findDir(parent, path) {
+  if (typeof(path) === 'string')
+    path = path.split('/');
+  if (path[0] !== '.')
+    throw Error('Path must start with a dot (.)');
+  let dir = parent;
+  for (let i = 1; i < path.length; i++) {
+    if (!(path[i] in dir))
+      throw Error('Directory not found');
+    dir = dir[path[i]];
+  }
+  return dir;
+}
+
+class WBManifestReader {
+  constructor(manifestText) {
+    const {rootDir, streams} = parse(manifestText);
+    this.rootDir = rootDir;
+    this.streams = streams;
+    //this.rootDir = process(this.streams);
+  }
+
+  listDirectory(path) {
+    let dir = findDir(this.rootDir, path);
+    let keys = Object.keys(dir);
+    keys.sort();
+    let subdirs = keys.filter(k => !(dir[k] instanceof Array));
+    let files = keys.filter(k => (dir[k] instanceof Array));
+    let res = subdirs.map(k => [ 'd', k, null ]);
+    res = res.concat(files.map(k => [ 'f', k, dir[k][1] ]));
+    return res;
+  }
+}
+
+export default WBManifestReader;
diff --git a/frontend/src/js/deprecated/wb-project-crumbs.js b/frontend/src/js/deprecated/wb-project-crumbs.js
new file mode 100644
index 0000000..8ae625d
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-project-crumbs.js
@@ -0,0 +1,46 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBBreadcrumbs from 'wb-breadcrumbs';
+import fetchProjectParents from 'fetch-project-parents';
+
+class WBProjectCrumbs extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.items = [ { 'name': 'All Projects' } ];
+  }
+
+  fetchCrumbs() {
+    if (!this.props.uuid) {
+      this.setState({ 'items': [ { 'name': 'All Projects' } ] });
+      return;
+    }
+
+    let { arvHost, arvToken } = this.props.appState;
+    let prom = fetchProjectParents(arvHost, arvToken, this.props.uuid);
+    prom = prom.then(parents => this.setState({ 'items': parents }));
+  }
+
+  componentDidMount() {
+    this.fetchCrumbs();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchCrumbs();
+  }
+
+  render({ onItemClicked }, { items }) {
+    return (
+      <WBBreadcrumbs items={ items }
+        onItemClicked={ onItemClicked } />
+    );
+  }
+}
+
+export default WBProjectCrumbs;
diff --git a/frontend/src/js/deprecated/wb-rootdir-wrapper.js b/frontend/src/js/deprecated/wb-rootdir-wrapper.js
new file mode 100644
index 0000000..c527710
--- /dev/null
+++ b/frontend/src/js/deprecated/wb-rootdir-wrapper.js
@@ -0,0 +1,89 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+class WBRootDirWrapper {
+  constructor(rootDir, streams) {
+    this.rootDir = rootDir;
+    this.streams = streams;
+  }
+
+  findDir(path) {
+    if (typeof(path) === 'string')
+      path = path.split('/');
+    if (path[0] !== '.')
+      throw Error('Path must begin with a dot component');
+    let dir = this.rootDir;
+    for (let i = 1; i < path.length; i++) {
+      if (!(path[i] in dir))
+        throw Error('Directory not found');
+      if (dir[path[i]] instanceof Array)
+        throw Error('Path is a file not directory');
+      dir = dir[path[i]];
+    }
+    return dir;
+  }
+
+  listDirectory(path) {
+    let dir = this.findDir(path);
+    let keys = Object.keys(dir);
+    keys.sort();
+    let subdirs = keys.filter(k => !(dir[k] instanceof Array));
+    let files = keys.filter(k => (dir[k] instanceof Array));
+    let res = subdirs.map(k => [ 'd', k, null ]);
+    res = res.concat(files.map(k => [ 'f', k, dir[k][1] ]));
+    return res;
+  }
+
+  unescapeName(name) {
+    return name.replace(/(\\\\|\\[0-9]{3})/g, (_, $1) => ($1 === '\\\\' ? '\\' : String.fromCharCode(parseInt($1.substr(1), 8))));
+  }
+
+  escapeName(name) {
+    return name.replace(/ /g, '\\040');
+  }
+
+  getFile(path) {
+    if (typeof(path) === 'string')
+      path = path.split('/');
+
+    if (path.length < 2)
+      throw Error('Invalid file path');
+
+    const name = path[path.length - 1];
+
+    const dir = this.findDir(path.slice(0, path.length - 1));
+
+    if (!(name in dir))
+      throw Error('File not found');
+
+    if (!(dir[name] instanceof Array))
+      throw Error('Path points to a directory not a file');
+
+    const streams = this.streams;
+    let file = dir[name];
+    file = [ file[0].map(seg => {
+      const stm = streams[seg[0]];
+      const used = stm.map(loc => !( loc[2] <= seg[1] || loc[1] >= seg[1] + seg[2] ) );
+      const start = used.indexOf(true);
+      const end = used.lastIndexOf(true) + 1;
+      if (start === -1)
+        return [];
+      const res = [];
+      for (let i = start; i < end; i++) {
+        const loc = stm[i];
+        res.push([ loc[0], Math.max(0, seg[1] - loc[1]),
+          Math.min(loc[2] - loc[1], seg[1] + seg[2] - loc[1]) ]);
+      }
+      return res;
+    }), file[1] ];
+    file[0] = file[0].reduce((a, b) => a.concat(b));
+
+    return file;
+  }
+}
+
+export default WBRootDirWrapper;
diff --git a/frontend/src/js/dialog/wb-browse-dialog-collection-content.js b/frontend/src/js/dialog/wb-browse-dialog-collection-content.js
new file mode 100644
index 0000000..a8470bf
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog-collection-content.js
@@ -0,0 +1,125 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBManifestWorkerWrapper from 'wb-manifest-worker-wrapper';
+import makeArvadosRequest from 'make-arvados-request';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+
+function unescapeName(name) {
+  return name.replace(/(\\\\|\\[0-9]{3})/g,
+    (_, $1) => ($1 === '\\\\' ? '\\' : String.fromCharCode(parseInt($1.substr(1), 8))));
+}
+
+class WBBrowseDialogCollectionContent extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.manifestWorker = new WBManifestWorkerWrapper();
+    this.state.mode = 'manifestDownload';
+    this.state.rows = [];
+  }
+
+  componentDidMount() {
+    const { app, collectionUuid } = this.props;
+    const { arvHost, arvToken } = app.state;
+    const { manifestWorker } = this.state;
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections/' + collectionUuid);
+
+    let streams;
+
+    prom = prom.then(xhr => {
+      streams = xhr.response.manifest_text.split('\n');
+      const paths = streams.filter(s => s).map(s => {
+        const n = s.indexOf(' ');
+        return unescapeName(s.substr(0, n));
+      });
+
+      return manifestWorker.postMessage([ 'precreatePaths', paths ]);
+    });
+
+    prom = prom.then(() => {
+      this.setState({ 'mode': 'manifestParse' });
+      let prom_1 = new Promise(accept => accept());
+      for (let i = 0; i < streams.length; i++) {
+        prom_1 = prom_1.then(() => manifestWorker.postMessage([ 'parseStream', streams[i] ]));
+        prom_1 = prom_1.then(() => manifestWorker.postMessage([ 'listDirectory', '.' + this.props.collectionPath, true ]));
+        prom_1 = prom_1.then(e => this.prepareRows(e.data[1]));
+      }
+      return prom_1;
+    });
+
+    prom = prom.then(() => manifestWorker.postMessage([ 'listDirectory', '.' + this.props.collectionPath, true ]));
+    prom = prom.then(e => {
+      this.state.mode = 'browsingReady';
+      this.prepareRows(e.data[1])
+    });
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    if (this.state.mode !== 'browsingReady')
+      return;
+    let prom = this.state.manifestWorker.postMessage([
+      'listDirectory', '.' + this.props.collectionPath, true
+    ]);
+    prom = prom.then(e => this.prepareRows(e.data[1]));
+  }
+
+  prepareRows(listing) {
+    const { makeSelectionCell, collectionPath, navigate,
+      page, itemsPerPage, collectionUuid, textSearch, selectWhat } = this.props;
+    const textLower = textSearch.toLowerCase();
+    listing = listing.filter(it => (it[1].toLowerCase().indexOf(textLower) !== -1));
+    const numPages = Math.ceil(listing.length / itemsPerPage);
+    const rows = listing.slice(page * itemsPerPage,
+      (page + 1) * itemsPerPage).map(it => [
+      ((it[0] === 'd' && [].concat(selectWhat).indexOf('directory') !== -1) ||
+        (it[0] === 'f' && [].concat(selectWhat).indexOf('file') !== -1)) ?
+        makeSelectionCell(collectionUuid + collectionPath + '/' + it[1] + (it[0] === 'd' ? '/' : '')) :
+        null,
+      it[0] === 'd' ? (
+        <a href="#" onclick={ e => {
+          e.preventDefault();
+          navigate({ 'collectionPath': collectionPath + '/' + it[1],
+            'bottomPage': 0 });
+        } }>{ it[1] }</a>
+      ) : it[1],
+      it[0] === 'f' ? filesize(it[2]) : ''
+    ]);
+    this.setState({ rows, numPages });
+  }
+
+  render({ page, navigate }, { rows, mode, numPages }) {
+    return (
+      <div>
+        { mode === 'browsingReady' ? (
+          null
+        ) : [
+          <div>{ mode === 'manifestParse' ? 'Parsing manifest...' : 'Downloading manifest...' }</div>,
+          <div class="progress my-2">
+            <div class={ 'progress-bar progress-bar-striped progress-bar-animated' +
+              (mode === 'manifestParse' ? ' bg-success': '') } role="progressbar"
+              aria-valuenow="100" aria-valuemin="0" aria-valuemax="100" style="width: 100%"></div>
+          </div>
+        ] }
+        <WBTable headerClasses={ [ 'w-1' ] }
+          columns={ [ '', 'Name', 'Size' ] } rows={ rows } />
+        <WBPagination numPages={ numPages } activePage={ page }
+          onPageChanged={ i => navigate({ 'bottomPage': i }) } />
+      </div>
+    );
+  }
+}
+
+WBBrowseDialogCollectionContent.defaultProps = {
+  'itemsPerPage': 20
+};
+
+export default WBBrowseDialogCollectionContent;
diff --git a/frontend/src/js/dialog/wb-browse-dialog-collection-list.js b/frontend/src/js/dialog/wb-browse-dialog-collection-list.js
new file mode 100644
index 0000000..190d4ff
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog-collection-list.js
@@ -0,0 +1,78 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import makeArvadosRequest from 'make-arvados-request';
+
+class WBBrowseDialogCollectionList extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+  }
+
+  componentDidMount() {
+    this.fetchRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchRows();
+  }
+
+  prepareRows(items) {
+    const { navigate, selectWhat, makeSelectionCell } = this.props;
+    return items.map(it => [
+      ([].concat(selectWhat).indexOf('directory') !== -1 ? makeSelectionCell(it.uuid + '/') : null),
+      (
+        <a href="#" onclick={ e => { e.preventDefault();
+          navigate('/browse-dialog/content/' + it.uuid + '////'); } }>{ it.name }</a>
+      ),
+      it.uuid
+    ]);
+  }
+
+  fetchRows() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { ownerUuid, textSearch, page, itemsPerPage } = this.props;
+    const filters = [];
+    if (ownerUuid)
+      filters.push(['owner_uuid', '=', ownerUuid]);
+    if (textSearch)
+      filters.push(['name', 'ilike', '%' + textSearch + '%']);
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/collections?filters=' +
+      encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage +
+      '&offset=' + (itemsPerPage * page));
+    prom = prom.then(xhr => this.setState({
+      'rows': this.prepareRows(xhr.response.items),
+      'numPages': Math.ceil(xhr.response.items_available / itemsPerPage)
+    }));
+    return prom;
+  }
+
+  render({ selectWhat, page, navigate }, { rows, numPages }) {
+    return (
+      <div>
+        <WBTable columns={ ['', 'Name', 'UUID'] }
+          headerClasses={ ['w-1'] }
+          rows={ rows } />
+
+        <WBPagination activePage={ page } numPages={ numPages }
+          onPageChanged={ i => navigate({ 'bottomPage': i }) } />
+      </div>
+    );
+  }
+}
+
+WBBrowseDialogCollectionList.defaultProps = {
+  'itemsPerPage': 20
+};
+
+export default WBBrowseDialogCollectionList;
diff --git a/frontend/src/js/dialog/wb-browse-dialog-project-list.js b/frontend/src/js/dialog/wb-browse-dialog-project-list.js
new file mode 100644
index 0000000..c6b3f74
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog-project-list.js
@@ -0,0 +1,113 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import WBPagination from 'wb-pagination';
+import WBTable from 'wb-table';
+
+class WBBrowseDialogProjectList extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.history = [];
+  }
+
+  componentDidMount() {
+    this.fetchRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchRows();
+  }
+
+  prepareRows(items) {
+    const { navigate, selectWhat, makeSelectionCell } = this.props;
+    return items.map(it => ([].concat(selectWhat).indexOf('owner') !== -1 ? [ makeSelectionCell(it.uuid, 'project') ] : []).concat([
+      (
+        <a href="#" onclick={ e => {
+          e.preventDefault();
+          navigate('/browse-dialog/browse/' + it.uuid);
+        } }>{ it.name }</a>
+      ),
+      it.uuid
+    ]));
+  }
+
+  fetchSharedWithMe() {
+    const { arvHost, arvToken, currentUser } = this.props.app.state;
+    const { textSearch, itemsPerPage, page } = this.props;
+    const filters = [
+      ['group_class', '=', 'project']
+    ];
+    if (textSearch)
+      filters.push([ 'name', 'ilike', '%' + textSearch + '%']);
+    const prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/groups/shared?filters=' +
+      encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage +
+      '&offset=' + (itemsPerPage * page));
+    return prom;
+  }
+
+  fetchOwned() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { ownerUuid, page, textSearch, itemsPerPage } = this.props;
+    const filters = [
+      ['group_class', '=', 'project']
+    ];
+    if (ownerUuid)
+      filters.push(['owner_uuid', '=', ownerUuid]);
+    if (textSearch)
+      filters.push(['name', 'ilike', '%' + textSearch + '%']);
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/groups?filters=' +
+      encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage +
+      '&offset=' + (page * itemsPerPage));
+    return prom;
+  }
+
+  fetchRows() {
+    const { mode, itemsPerPage } = this.props;
+
+    let prom = (mode === 'shared-with-me') ?
+      this.fetchSharedWithMe() :
+      this.fetchOwned();
+
+    prom = prom.then(xhr => {
+      this.setState({
+        'rows': this.prepareRows(xhr.response.items),
+        'numPages': Math.ceil(xhr.response.items_available / itemsPerPage)
+      });
+    });
+
+    return prom;
+  }
+
+  render({ app, navigate, page, selectWhat }, { numPages, rows }) {
+    return (
+      <div>
+        <WBTable columns={ ([].concat(selectWhat).indexOf('owner') !== -1 ? [''] : []).concat(['Name', 'UUID']) }
+          headerClasses={ [].concat(selectWhat).indexOf('owner') !== -1 ? ['col-sm-1', 'col-sm-4', 'col-sm-4'] : [] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages } activePage={ page }
+          onPageChanged={ i => navigate({ 'topPage': i }) }
+          chunkSize="3" />
+      </div>
+    );
+  }
+}
+
+WBBrowseDialogProjectList.defaultProps = {
+  'itemsPerPage': 5,
+  'resetSearch': () => {}
+};
+
+export default WBBrowseDialogProjectList;
diff --git a/frontend/src/js/dialog/wb-browse-dialog-user-list.js b/frontend/src/js/dialog/wb-browse-dialog-user-list.js
new file mode 100644
index 0000000..9ab6d56
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog-user-list.js
@@ -0,0 +1,78 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import makeArvadosRequest from 'make-arvados-request';
+
+class WBBrowseDialogUserList extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+  }
+
+  componentDidMount() {
+    this.fetchRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchRows();
+  }
+
+  prepareRows(items) {
+    const { navigate } = this.props;
+    return items.map(it => [
+      (
+        <a href="#" onclick={ e => { e.preventDefault();
+          navigate('/browse-dialog/browse/' + it.uuid); } }>
+          { it.last_name + ', ' + it.first_name }
+        </a>
+      ),
+      it.uuid
+    ]);
+  }
+
+  fetchRows() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { itemsPerPage, page, textSearch } = this.props;
+    const order = ['last_name asc', 'first_name asc'];
+    const filters = [];
+    if (textSearch)
+      filters.push([ 'any', 'ilike', '%' + textSearch + '%' ]);
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/users?order=' +
+      encodeURIComponent(JSON.stringify(order)) +
+      '&filters=' +
+      encodeURIComponent(JSON.stringify(filters)) +
+      '&limit=' + itemsPerPage +
+      '&offset=' + (itemsPerPage * page));
+    prom = prom.then(xhr => this.setState({
+      'rows': this.prepareRows(xhr.response.items),
+      'numPages': Math.ceil(xhr.response.items_available / itemsPerPage)
+    }));
+  }
+
+  render({ page, navigate }, { rows, numPages }) {
+    return (
+      <div>
+        <WBTable columns={ [ 'Name', 'UUID' ] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages } activePage={ page }
+          onPageChanged={ i => navigate({ 'topPage': i }) } />
+      </div>
+    );
+  }
+}
+
+WBBrowseDialogUserList.defaultProps = {
+  'itemsPerPage': 20
+};
+
+export default WBBrowseDialogUserList;
diff --git a/frontend/src/js/dialog/wb-browse-dialog.js b/frontend/src/js/dialog/wb-browse-dialog.js
new file mode 100644
index 0000000..f804fa5
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog.js
@@ -0,0 +1,269 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBBrowseDialogProjectList from 'wb-browse-dialog-project-list';
+import WBBrowseDialogCollectionList from 'wb-browse-dialog-collection-list';
+import WBBrowseDialogCollectionContent from 'wb-browse-dialog-collection-content';
+import WBBrowseDialogUserList from 'wb-browse-dialog-user-list';
+import linkState from 'linkstate';
+import { Router } from 'preact-router';
+import { createHashHistory } from 'history';
+
+//
+// internal URLs look like this
+//
+// /browse-dialog/browse/( owner-uuid )/( project-page )/( text-search )
+// /browse-dialog/users//( users-page )/( text-search )
+// /browse-dialog/shared-with-me//( project-page )/( collection-page )/( text-search )
+// /browse-dialog/content/( collection-uuid )//( content-page )/( text-search )/( collection-path )
+//
+// general pattern therefore:
+// /browse-dialog/( mode )/( uuid )/( top-page )/( bottom-page )/( text-search )
+//
+// props:
+//   selectMany: Boolean
+//   selectWhat: [ 'file', 'directory', 'owner' ]
+//
+// state:
+//   selected: Array of UUID
+//   textSearch: string
+//   textSearchInput: string
+//
+
+class WBBrowseDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.history = [];
+    this.state.selected = {};
+    this.state.selectedOrder = [];
+    const { currentUser } = this.props.app.state;
+    this.state.currentUrl = '/browse-dialog/browse/' + currentUser.uuid;
+    this.state.uuid = currentUser.uuid;
+    this.state.mode = 'browse';
+    this.state.topPage = 0;
+    this.state.bottomPage = 0;
+    this.state.collectionPath = '';
+    this.state.textSearch = '';
+    this.state.id = ('id' in this.props) ? this.props.id : uuid.v4();
+    this.state.accept = () => {};
+    this.modalRef = createRef();
+  }
+
+  navigateBack() {
+    if (this.state.history.length === 0)
+      return;
+    const url = this.state.history.pop();
+    this.navigate(url, false);
+  }
+
+  navigate(url, useHistory=true, stateUpdate={}) {
+    if (typeof(url) === 'object') {
+      url = ['', 'browse-dialog',
+        'mode' in url ? url.mode : this.state.mode,
+        'uuid' in url ? url.uuid : this.state.uuid,
+        'topPage' in url ? url.topPage : this.state.topPage,
+        'bottomPage' in url ? url.bottomPage : this.state.bottomPage,
+        'textSearch' in url ? url.textSearch : this.state.textSearch,
+        encodeURIComponent('collectionPath' in url ? url.collectionPath : this.state.collectionPath)
+      ].join('/');
+    }
+
+    url = url.substr(url.indexOf('/browse-dialog/'));
+
+    if (useHistory)
+      this.state.history.push(this.state.currentUrl);
+    let [ _1, _2, mode, uuid, topPage, bottomPage, textSearch, collectionPath ] = url.split('/');
+    topPage = parseInt(topPage, 10) || 0;
+    bottomPage = parseInt(bottomPage, 10) || 0;
+    collectionPath = decodeURIComponent(collectionPath || '');
+    this.setState(Object.assign({
+      'currentUrl': url,
+      mode, uuid, topPage, bottomPage, textSearch, collectionPath
+    }, stateUpdate));
+  }
+
+  select(uuid) {
+    let { selected, selectedOrder } = this.state;
+    if (uuid in selected) {
+      const n = selectedOrder.indexOf(uuid);
+      selectedOrder = selected.splice(n, n + 1);
+    }
+    selected[uuid] = true;
+    selectedOrder.push(uuid);
+    /* this.setState({
+      selected, selectedOrder
+    }); */
+  }
+
+  deselect(uuid) {
+    let { selected, selectedOrder } = this.state;
+    if (!(uuid in selected))
+      return;
+    const n = selectedOrder.indexOf(uuid);
+    selectedOrder = selected.splice(n, n + 1);
+    delete selected[uuid];
+    /* this.setState({
+      selected, selectedOrder
+    }); */
+  }
+
+  resetSelection() {
+    this.setState({
+      'selected': {},
+      'selectedOrder': []
+    });
+  }
+
+  makeSelectionCell(uuid) {
+    const { selected, accept, selectMany, id } = this.state;
+
+    return selectMany ? (
+      <div>
+        <input type="checkbox" checked={ (uuid in selected) }
+          onChange={ e => {
+          if (e.target.checked)
+            this.select(uuid);
+          else
+            this.deselect(uuid);
+        } } /> { '\u00A0' }
+      </div>
+    ) : (
+      <button class="btn btn-outline-primary" title="Use"
+        onclick={ () => {
+          $('#' + id).modal('hide');
+          accept(uuid);
+        } }>
+        <i class="fas fa-hand-pointer"></i>
+      </button>
+    );
+  }
+
+  show(selectWhat, selectMany, accept=(() => {})) {
+    const { app } = this.props;
+    const { currentUser } = app.state;
+    this.navigate('/browse-dialog/browse/' + currentUser.uuid, false,
+      { selectWhat, selectMany, accept, history: [],
+        selected: {}, selectedOrder: [] });
+    $('#' + this.state.id).modal();
+  }
+
+  componentWillUnmount() {
+    $(this.modalRef.current).modal('hide');
+  }
+
+  render({ app },
+    { history, currentUrl, mode, uuid,
+      topPage, bottomPage, textSearch,
+      collectionPath, id, accept, selectedOrder,
+      selectMany, selectWhat }) {
+
+    return (
+      <div class="modal" id={ id } tabindex="-1" role="dialog" ref={ this.modalRef }>
+        <div class="modal-dialog modal-lg" role="document">
+          <div class="modal-content">
+            <div class="modal-header">
+              { false ? <h5 class="modal-title">Browse</h5> : null }
+              <div>{ currentUrl }</div>
+              <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                <span aria-hidden="true">&times;</span>
+              </button>
+            </div>
+
+            <div class="modal-body">
+              <div class="mb-3">
+                <a href="#" class={ 'btn btn-outline-secondary mr-2' +
+                  (history.length === 0 ? ' disabled': '') }
+                  onclick={ e => { e.preventDefault();
+                    this.navigateBack(); } }>Back</a>
+                <a href="#" class="btn btn-outline-primary mr-2"
+                  onclick={ e => { e.preventDefault();
+                    this.navigate('/browse-dialog/browse/' + app.state.currentUser.uuid); } }>Home</a>
+                <a href="#" class="btn btn-outline-primary mr-2"
+                  onclick={ e => { e.preventDefault();
+                    this.navigate('/browse-dialog/browse'); } }>All Projects</a>
+                <a href="#" class="btn btn-outline-primary mr-2"
+                  onclick={ e => { e.preventDefault();
+                    this.navigate('/browse-dialog/users'); } }>All Users</a>
+                <a href="#" class="btn btn-outline-primary mr-2"
+                  onclick={ e => { e.preventDefault();
+                    this.navigate('/browse-dialog/shared-with-me'); } }>Shared with Me</a>
+              </div>
+
+              <div class="input-group mb-3">
+                <input type="text" class="form-control" placeholder="Search"
+                  aria-label="Search" value={ textSearch }
+                  onChange={ e => this.navigate({
+                      'textSearch': e.target.value,
+                      'topPage': 0,
+                      'bottomPage': 0}) } />
+
+                <div class="input-group-append">
+                  <button class="btn btn-outline-primary" type="button">Search</button>
+                </div>
+              </div>
+
+              { (mode === 'browse' || mode === 'shared-with-me') ? (
+                <div>
+                  <h5>Projects</h5>
+                  <WBBrowseDialogProjectList app={ app }
+                    navigate={ url => this.navigate(url) }
+                    mode={ mode } ownerUuid={ uuid }
+                    page={ topPage } textSearch={ textSearch }
+                    selectWhat={ selectWhat }
+                    makeSelectionCell={ uuid => this.makeSelectionCell(uuid) } />
+                </div>
+              ) : null }
+
+              { (mode === 'users') ? (
+                <WBBrowseDialogUserList app={ app }
+                  navigate={ url => this.navigate(url) }
+                  page={ topPage } textSearch={ textSearch }/>
+              ) : null }
+
+              { (mode === 'content') ? (
+                <div>
+                  <h5>Content</h5>
+                  <WBBrowseDialogCollectionContent app={ app }
+                    collectionUuid={ uuid } collectionPath={ collectionPath }
+                    page={ bottomPage } selectWhat={ selectWhat }
+                    makeSelectionCell={ uuid => this.makeSelectionCell(uuid) }
+                    navigate={ url => this.navigate(url) }
+                    textSearch={ textSearch } />
+                </div>
+
+              ) : (selectWhat !== 'owner' && mode === 'browse') ? (
+                <div>
+                  <h5>Collections</h5>
+                  <WBBrowseDialogCollectionList app={ app }
+                    page={ bottomPage } textSearch={ textSearch }
+                    navigate={ url => this.navigate(url) }
+                    ownerUuid={ uuid } selectWhat={ selectWhat }
+                    makeSelectionCell={ uuid => this.makeSelectionCell(uuid) } />
+                </div>
+              ) : null }
+            </div>
+
+            <div class="modal-footer">
+              { selectMany ? (
+                <button type="button" class="btn btn-primary"
+                  onclick={ e => { e.preventDefault(); accept(selectedOrder); $('#' + id).modal('hide'); } }>Accept</button>
+              ) : null }
+              <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}
+
+WBBrowseDialog.defaultProps = {
+  'accept': () => {}
+};
+
+export default WBBrowseDialog;
diff --git a/frontend/src/js/dialog/wb-delete-dialog.js b/frontend/src/js/dialog/wb-delete-dialog.js
new file mode 100644
index 0000000..518f7b7
--- /dev/null
+++ b/frontend/src/js/dialog/wb-delete-dialog.js
@@ -0,0 +1,60 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBDialog from 'wb-dialog';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import linkState from 'linkstate';
+import wbDeleteObject from 'wb-delete-object';
+import arvadosTypeName from 'arvados-type-name';
+
+class WBDeleteDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+  }
+
+  show(item, callback) {
+    this.setState({
+      'item': item,
+      'callback': callback || (() => {})
+    });
+    this.dialogRef.current.show();
+  }
+
+  hide() {
+    this.dialogRef.current.hide();
+  }
+
+  render({ app }, { item, callback }) {
+    const { arvHost, arvToken } = app.state;
+
+    return (
+      <WBDialog title="Delete" ref={ this.dialogRef }>
+        <div>
+          <div class="mb-3">
+            Are you sure you want to delete the following { item ? arvadosTypeName(item.uuid) : null }:
+          </div>
+          { item ? <WBArvadosCrumbs app={ app } uuid={ item.uuid } /> : null }
+          <div>???</div>
+        </div>
+
+        <div>
+          <input type="submit" class="btn btn-danger mr-2" value="Delete"
+            onclick={ e => { e.preventDefault(); this.hide();
+              wbDeleteObject(arvHost, arvToken, item.uuid).then(callback); } } />
+          <button class="btn btn-secondary mr-2" onclick={ e => { e.preventDefault();
+            this.hide(); } }>
+            Cancel
+          </button>
+        </div>
+      </WBDialog>
+    );
+  }
+}
+
+export default WBDeleteDialog;
diff --git a/frontend/src/js/dialog/wb-edit-description-dialog.js b/frontend/src/js/dialog/wb-edit-description-dialog.js
new file mode 100644
index 0000000..9c047fd
--- /dev/null
+++ b/frontend/src/js/dialog/wb-edit-description-dialog.js
@@ -0,0 +1,59 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBDialog from 'wb-dialog';
+import linkState from 'linkstate';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosTypeName from 'arvados-type-name';
+
+class WBEditDescriptionDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+    this.state.inputId = uuid.v4();
+  }
+
+  show(item, callback) {
+    const { inputId } = this.state;
+    this.setState({
+      'item': item,
+      'newDescription': null,
+      'callback': callback || (() => {})
+    });
+    this.dialogRef.current.show();
+    $('#' + inputId).focus();
+  }
+
+  hide() {
+    this.dialogRef.current.hide();
+  }
+
+  render({ app }, { item, newDescription, callback, inputId }) {
+    const { arvHost, arvToken } = app.state;
+    return (
+      <WBDialog title="Edit Description" ref={ this.dialogRef } accept={ () =>
+          makeArvadosRequest(arvHost, arvToken,
+            '/arvados/v1/' + arvadosTypeName(item.uuid) +
+            's/' + item.uuid, {
+              method: 'PUT',
+              data: JSON.stringify({
+                description: newDescription || null
+              })
+            }).then(callback)
+      }>
+        <div>
+          <input type="text" class="form-control" id={ inputId }
+            placeholder={ (item && item.description) ? item.description : 'Type new description here' }
+            value={ newDescription } onChange={ linkState(this, 'newDescription') } />
+        </div>
+      </WBDialog>
+    );
+  }
+}
+
+export default WBEditDescriptionDialog;
diff --git a/frontend/src/js/dialog/wb-new-project-dialog.js b/frontend/src/js/dialog/wb-new-project-dialog.js
new file mode 100644
index 0000000..c4dafa6
--- /dev/null
+++ b/frontend/src/js/dialog/wb-new-project-dialog.js
@@ -0,0 +1,73 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBDialog from 'wb-dialog';
+import linkState from 'linkstate';
+import makeArvadosRequest from 'make-arvados-request';
+
+class WBNewProjectDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+    this.state.inputId = uuid.v4();
+  }
+
+  show(ownerUuid, callback) {
+    const { inputId } = this.state;
+    this.setState({
+      'ownerUuid': ownerUuid,
+      'newName': null,
+      'placeholderName': 'New Project (' + (new Date()).toISOString() + ')',
+      'callback': callback || (() => {})
+    });
+    this.dialogRef.current.show();
+    $('#' + inputId).focus();
+  }
+
+  hide() {
+    this.dialogRef.current.hide();
+  }
+
+  render({ app }, { ownerUuid, newName, placeholderName, callback, inputId,
+    projectDescription }) {
+
+    const { arvHost, arvToken } = app.state;
+    return (
+      <WBDialog title="New Project" ref={ this.dialogRef } accept={ () => {
+        const group = {
+          'group_class': 'project',
+          'name': newName || placeholderName,
+          'description': projectDescription || null,
+          'owner_uuid': ownerUuid
+        };
+        makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/groups', { 'method': 'POST',
+          'data': JSON.stringify(group),
+          'expectedStatus': [200, 202] }
+        ).then(callback);
+      } }>
+        <div>
+          <div class="form-group">
+            <label for={ inputId }>Project Name</label>
+            <input type="text" class="form-control" id={ inputId }
+              placeholder={ placeholderName }
+              value={ newName } onChange={ linkState(this, 'newName') } />
+          </div>
+          <div class="form-group">
+            <label for="projectDescription">Project Description (optional)</label>
+            <input type="text" class="form-control" id="projectDescription"
+              placeholder="Project Description (optional)"
+              value={ projectDescription } onChange={ linkState(this, 'projectDescription') } />
+          </div>
+        </div>
+      </WBDialog>
+    );
+  }
+}
+
+export default WBNewProjectDialog;
diff --git a/frontend/src/js/dialog/wb-pick-object-dialog.js b/frontend/src/js/dialog/wb-pick-object-dialog.js
new file mode 100644
index 0000000..1222a96
--- /dev/null
+++ b/frontend/src/js/dialog/wb-pick-object-dialog.js
@@ -0,0 +1,118 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBDialog from 'wb-dialog';
+import WBTable from 'wb-table';
+import WBPagination from 'wb-pagination';
+import makeArvadosRequest from 'make-arvados-request';
+import arvadosObjectName from 'arvados-object-name';
+
+class WBPickObjectDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.title = 'WBPickObjectDialog';
+    this.state.rows = [];
+    this.state.textSearch = null;
+    this.dialogRef = createRef();
+  }
+
+  show(title, objectType, accept, filters=[]) {
+    this.setState({ title, objectType, page: 0, rows: [], accept, filters, textSearch: null });
+    this.dialogRef.current.show();
+    this.fetchData();
+  }
+
+  hide() {
+    this.dialogRef.current.hide();
+  }
+
+  fetchData() {
+    const { app, itemsPerPage } = this.props;
+    const { arvHost, arvToken } = app.state;
+    const { objectType, page, textSearch } = this.state;
+    let { filters } = this.state;
+    if (textSearch)
+      filters = filters.concat([['any', 'ilike', '%' + textSearch + '%']]);
+    const order = (objectType === 'user') ?
+      ['last_name asc', 'first_name asc'] :
+      ['name asc'];
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/' + objectType +
+      's?offset=' + (page * itemsPerPage) +
+      '&limit=' + itemsPerPage +
+      '&filters=' + encodeURIComponent(JSON.stringify(filters)) +
+      '&order=' + encodeURIComponent(JSON.stringify(order))
+    );
+    prom = prom.then(xhr => this.setState({
+      numPages: Math.ceil(xhr.response.items_available / itemsPerPage),
+      rows: this.prepareRows(xhr.response.items)
+    }));
+    return prom;
+  }
+
+  prepareRows(items) {
+    const { accept } = this.state;
+    const { dialogRef } = this;
+
+    return items.map(it => [
+      (<div>
+        <div>
+          <a href="#" onclick={ () => { dialogRef.current.hide(); accept(it); } }>
+            { arvadosObjectName(it) }
+          </a>
+        </div>
+        <div>{ it.uuid }</div>
+      </div>)
+    ]);
+  }
+
+  search(textSearch) {
+    this.setState({ textSearch, page: 0});
+    this.fetchData();
+  }
+
+  render({}, { title, rows, page, numPages, textSearch }) {
+    return (
+      <WBDialog title={ title } ref={ this.dialogRef }>
+        <div>
+          <div class="input-group mb-3">
+            <input type="text" class="form-control" placeholder="Search"
+              aria-label="Search" value={ textSearch }
+              onkeydown={ e => { if (e.keyCode === 13) {
+                e.preventDefault();
+                this.search(e.target.value);
+              } } }
+              onchange={ e => this.search(e.target.value) } />
+
+            <div class="input-group-append">
+              <button class="btn btn-outline-primary" type="button" onclick={ e => e.preventDefault() }>Search</button>
+            </div>
+          </div>
+
+          <WBTable columns={ [ 'Name' ] } rows={ rows } />
+
+          <WBPagination activePage={ page } numPages={ numPages } chunkSize={ 3 }
+            onPageChanged={ i => { this.setState({ page: i }); this.fetchData(); } } />
+        </div>
+
+        <div>
+          <button class="btn btn-secondary"
+            onclick={ e => { e.preventDefault(); this.hide(); } }>
+            Cancel
+          </button>
+        </div>
+      </WBDialog>
+    );
+  }
+}
+
+WBPickObjectDialog.defaultProps = {
+  itemsPerPage: 20
+};
+
+export default WBPickObjectDialog;
diff --git a/frontend/src/js/dialog/wb-rename-dialog.js b/frontend/src/js/dialog/wb-rename-dialog.js
new file mode 100644
index 0000000..8a3ef4f
--- /dev/null
+++ b/frontend/src/js/dialog/wb-rename-dialog.js
@@ -0,0 +1,52 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBDialog from 'wb-dialog';
+import linkState from 'linkstate';
+import wbRenameObject from 'wb-rename-object';
+
+class WBRenameDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.dialogRef = createRef();
+    this.state.inputId = uuid.v4();
+  }
+
+  show(item, callback) {
+    const { inputId } = this.state;
+    this.setState({
+      'item': item,
+      'newName': null,
+      'callback': callback || (() => {})
+    });
+    this.dialogRef.current.show();
+    $('#' + inputId).focus();
+  }
+
+  hide() {
+    this.dialogRef.current.hide();
+  }
+
+  render({ app }, { item, newName, callback, inputId }) {
+    const { arvHost, arvToken } = app.state;
+    return (
+      <WBDialog title="Rename" ref={ this.dialogRef } accept={ () => {
+        if (newName)
+          wbRenameObject(arvHost, arvToken, item.uuid, newName).then(callback);
+      } }>
+        <div>
+          <input type="text" class="form-control" id={ inputId }
+            placeholder={ item ? item.name : 'Type new name here' }
+            value={ newName } onChange={ linkState(this, 'newName') } />
+        </div>
+      </WBDialog>
+    );
+  }
+}
+
+export default WBRenameDialog;
diff --git a/frontend/src/js/dialog/wb-toolbox-dialog.js b/frontend/src/js/dialog/wb-toolbox-dialog.js
new file mode 100644
index 0000000..896c799
--- /dev/null
+++ b/frontend/src/js/dialog/wb-toolbox-dialog.js
@@ -0,0 +1,154 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBTable from 'wb-table';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import wbFetchObjects from 'wb-fetch-objects';
+import wbFormatDate from 'wb-format-date';
+
+class WBToolboxDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.state.selectedValues = {};
+  }
+
+  componentDidMount() {
+    this.fetchRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.fetchRows();
+  }
+
+  fetchRows() {
+    const { items, id, selectMany, onAccepted } = this.props;
+    const { arvHost, arvToken } = this.props.app.state;
+    const { selectedValues } = this.state;
+    let prom = wbFetchObjects(arvHost, arvToken,
+      items);
+    let lookup;
+    prom = prom.then(lkup => (lookup = lkup));
+    prom = prom.then(() => wbFetchObjects(arvHost, arvToken,
+      items.map(uuid => lookup[uuid].owner_uuid)));
+    let ownerLookup;
+    prom = prom.then(lkup => (ownerLookup = lkup));
+    prom = prom.then(() => {
+      const rows = items.map((uuid, idx) => {
+        const it = lookup[uuid];
+        const ow = ownerLookup[it.owner_uuid];
+        let r = [];
+        if (selectMany)
+          r.push();
+        r = r.concat([
+          selectMany ? (
+            <div>
+              <input type="checkbox" checked={ (uuid in selectedValues) }
+                onChange={ e => {
+                if (e.target.value === 'on')
+                  selectedValues[uuid] = true;
+                else
+                  delete selectedValues[uuid];
+              } } /> { '\u00A0' }
+            </div>
+          ) : (
+            <button class="btn btn-outline-primary" title="Use"
+              onclick={ () => {
+                $('#' + id).modal('hide');
+                onAccepted(uuid);
+              } }>
+              <i class="fas fa-hand-pointer"></i>
+            </button>
+          ),
+          ( <WBNameAndUuid uuid={ uuid } lookup={ lookup }
+              onLinkClicked={ () => $('#' + id).modal('hide') } /> ),
+          it.kind,
+          wbFormatDate(it.created_at),
+          ( <WBNameAndUuid uuid={ it.owner_uuid } lookup={ ownerLookup }
+              onLinkClicked={ () => $('#' + id).modal('hide') } /> )
+        ]);
+        return r;
+      });
+      this.setState({ rows });
+    });
+  }
+
+  render({ id, selectMany, onAccepted, items, app }, { rows, selectedValues }) {
+    return (
+      <div class="modal" id={ id } tabindex="-1" role="dialog">
+        <div class="modal-dialog modal-lg" role="document">
+          <div class="modal-content">
+            <div class="modal-header">
+              <h5 class="modal-title">Browse Toolbox</h5>
+              <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                <span aria-hidden="true">&times;</span>
+              </button>
+            </div>
+
+            <div class="modal-body">
+              <div class="mb-2">
+                { selectMany ? (
+                  <button class="btn btn-outline-primary mr-2" onclick={ () => {
+                    items.map(uuid => (selectedValues[uuid] = true));
+                    this.fetchRows();
+                  } }>
+                    Select All
+                  </button>
+                ) : null }
+                { selectMany ? (
+                  <button class="btn btn-outline-primary mr-2" onclick={ () => {
+                    this.setState({ 'selectedValues' : {} });
+                    this.fetchRows();
+                  } }>
+                    Select None
+                  </button>
+                ) : null }
+                <button class="btn btn-outline-primary mr-2" onclick={ () => {
+                  app.clearToolbox();
+                  this.props.items = [];
+                  this.fetchRows();
+                } } >
+                  Clear Toolbox
+                </button>
+                <button class="btn btn-outline-primary mr-2" onclick={ () => {
+                  app.loadToolbox();
+                  this.props.items = app.state.toolboxItems;
+                  this.fetchRows();
+                } } >
+                  Refresh Toolbox
+                </button>
+              </div>
+
+              <WBTable columns={ [ '', 'Name', 'Kind', 'Created At', 'Owner' ] }
+                rows={ rows } />
+            </div>
+
+            <div class="modal-footer">
+              { selectMany ? (
+                <button type="button" class="btn btn-primary" onclick={
+                  () => {
+                    $('#' + id).modal('hide');
+                    onAccepted(items.filter(uuid => (uuid in selectedValues)));
+                  }
+                }>Accept</button>
+              ) : null }
+              <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}
+
+WBToolboxDialog.defaultProps = {
+  'onAccepted': () => {}
+};
+
+export default WBToolboxDialog;
diff --git a/frontend/src/js/index.js b/frontend/src/js/index.js
new file mode 100755
index 0000000..e6565bc
--- /dev/null
+++ b/frontend/src/js/index.js
@@ -0,0 +1,13 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, render } from 'preact';
+import WBApp from 'wb-app';
+
+render((
+  <WBApp />
+), document.body);
diff --git a/frontend/src/js/misc/wb-apply-promise-ordering.js b/frontend/src/js/misc/wb-apply-promise-ordering.js
new file mode 100644
index 0000000..97c6cfc
--- /dev/null
+++ b/frontend/src/js/misc/wb-apply-promise-ordering.js
@@ -0,0 +1,120 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+const defaultOrderRegistry = {};
+
+/* function notify(orderRegistry) {
+  if (!('listeners' in orderRegistry))
+    return;
+  for (let k in orderRegistry.listeners) {
+    orderRegistry.listeners[k](orderRegistry);
+  }
+} */
+
+function cursorDecor() {
+  let d = $('#cursor-decor');
+  if (d.length === 1)
+    return $(d[0]);
+  d = $('<div id="cursor-decor" style="z-index: 10000; position: absolute; left: 10px; top: 10px;"> \
+      <div class="progress" style="height: 8px;"> \
+        <div class="progress-bar progress-bar-striped progress-bar-animated" \
+          role="progressbar" aria-valuenow="100" aria-valuemin="0" \
+          aria-valuemax="100" style="width: 32px;"></div> \
+      </div> \
+    </div>');
+  $(document.body).append(d);
+  let pageX = 0, pageY = 0, scrollX = 0, scrollY = 0;
+  document.addEventListener('mousemove', e => {
+    pageX = e.pageX;
+    pageY = e.pageY;
+    d.css({ left: (e.pageX + 16) + 'px', top: (e.pageY + 16) + 'px' })
+    scrollX = window.scrollX;
+    scrollY = window.scrollY;
+  });
+  document.addEventListener('scroll', e => {
+    d.css({ left: (pageX + window.scrollX - scrollX + 16) + 'px',
+      top: (pageY + window.scrollY - scrollY + 16) + 'px' });
+  });
+  return d;
+}
+
+function updateCursorDecor(orderRegistry) {
+  const d = cursorDecor();
+  if (Object.keys(orderRegistry.pendingCompletion).length === 0)
+    d.hide();
+  else
+    d.show();
+}
+
+function wbApplyPromiseOrdering(prom, orderRegistry) {
+  let orderId;
+
+  if (!orderRegistry)
+    orderRegistry = defaultOrderRegistry;
+
+  //if (Object.keys(orderRegistry).length === 0) {
+  if (!('started' in orderRegistry)) {
+    orderRegistry.started = 0;
+    orderRegistry.pendingCompletion = {};
+    orderRegistry.completed = { 0: true };
+  }
+
+  orderRegistry.started += 1;
+  orderId = orderRegistry.started;
+  // console.log('New orderId: ' + orderId);
+  // notify(orderRegistry);
+  cursorDecor().show();
+
+  const orderCallback = ((isCatch, payload) => {
+    // console.log('orderId: ' + orderId +
+    //  ', pendingCompletion: ' + Object.keys(orderRegistry.pendingCompletion) +
+    //  ', completed: ' + Object.keys(orderRegistry.completed));
+
+    if ((orderId - 1) in orderRegistry.completed) {
+      // console.log('Running: ' + orderId);
+      orderRegistry.completed[orderId] = true;
+      delete orderRegistry.pendingCompletion[orderId];
+
+      const keys = Object.keys(orderRegistry.pendingCompletion);
+      keys.sort((a, b) => (a - b));
+      keys.map(k => {
+        if ((k - 1) in orderRegistry.completed) {
+          // console.log('Running: ' + k);
+          orderRegistry.pendingCompletion[k]();
+          orderRegistry.completed[k] = true;
+          delete orderRegistry.pendingCompletion[k];
+        }
+      });
+
+      if (orderRegistry.started in orderRegistry.completed) {
+        // console.log('Garbage collect');
+        orderRegistry.started = 0;
+        orderRegistry.completed = { 0: true };
+        cursorDecor().hide();
+      }
+
+      if (isCatch)
+        throw payload;
+      else
+        return payload;
+    }
+
+    const prom_1 = new Promise((accept, reject) => {
+      orderRegistry.pendingCompletion[orderId] = (() =>
+        (isCatch ? reject(payload) : accept(payload)));
+    });
+
+    return prom_1;
+  });
+
+  prom = prom.then(xhr => orderCallback(false, xhr));
+  prom = prom.catch(e => orderCallback(true, e));
+
+  return prom;
+}
+
+export default wbApplyPromiseOrdering;
diff --git a/frontend/src/js/misc/wb-disable-controls.js b/frontend/src/js/misc/wb-disable-controls.js
new file mode 100644
index 0000000..95d525b
--- /dev/null
+++ b/frontend/src/js/misc/wb-disable-controls.js
@@ -0,0 +1,19 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+function wbDisableControls() {
+  $('input, select, button').attr('disabled', 'disabled');
+  $('a').each(function() { $(this).data('old_href', $(this).attr('href')); });
+  $('a').attr('href', null);
+}
+
+function wbEnableControls() {
+  $('input, select, button').attr('disabled', null);
+  $('a').each(function() { $(this).attr('href', $(this).data('old_href')); });
+}
+
+export { wbEnableControls, wbDisableControls };
diff --git a/frontend/src/js/misc/wb-format-date.js b/frontend/src/js/misc/wb-format-date.js
new file mode 100644
index 0000000..ebf268a
--- /dev/null
+++ b/frontend/src/js/misc/wb-format-date.js
@@ -0,0 +1,19 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h } from 'preact';
+
+function wbFormatDate(dateStr) {
+  if (!dateStr)
+    return (
+      <i>{ String(dateStr) }</i>
+    );
+  let date = new Date(dateStr);
+  return date.toLocaleString();
+}
+
+export default wbFormatDate;
diff --git a/frontend/src/js/misc/wb-format-special-value.js b/frontend/src/js/misc/wb-format-special-value.js
new file mode 100644
index 0000000..e7f4386
--- /dev/null
+++ b/frontend/src/js/misc/wb-format-special-value.js
@@ -0,0 +1,18 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h } from 'preact';
+
+function wbFormatSpecialValue(value) {
+  if (value === null) return (<i>null</i>);
+  if (value === undefined) return (<i>undefined</i>);
+  if (typeof(value) === 'boolean') return (<i>{ String(value) }</i>);
+  if (value === '') return '-';
+  return String(value);
+}
+
+export default wbFormatSpecialValue;
diff --git a/frontend/src/js/page/wb-app.js b/frontend/src/js/page/wb-app.js
new file mode 100644
index 0000000..c4254ba
--- /dev/null
+++ b/frontend/src/js/page/wb-app.js
@@ -0,0 +1,120 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { Router, route } from 'preact-router';
+import WBBrowse from 'wb-browse';
+import WBSignIn from 'wb-sign-in';
+import WBSignOut from 'wb-sign-out';
+import WBLandingPage from 'wb-landing-page';
+import WBProcessView from 'wb-process-view';
+import WBContainerView from 'wb-container-view';
+import WBCollectionView from 'wb-collection-view';
+import WBCollectionBrowse from 'wb-collection-browse';
+import WBUsersPage from 'wb-users-page';
+import WBWorkflowView from 'wb-workflow-view';
+import WBLaunchWorkflowPage from 'wb-launch-workflow-page';
+import WBDownloadPage from 'wb-download-page';
+import WBImageViewerPage from 'wb-image-viewer-page';
+import WBSharingPage from 'wb-sharing-page';
+import WBProjectView from 'wb-project-view';
+import arvadosTypeName from 'arvados-type-name';
+
+class WBApp extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.arvHost = window.localStorage['arvHost'];
+    this.state.arvToken = window.localStorage['arvToken'];
+    if ('currentUser' in window.localStorage)
+      this.state.currentUser = JSON.parse(window.localStorage['currentUser']);
+    this.loadToolbox();
+  }
+
+  navbarItemUrl(item) {
+    if (item['id'] === 'sign-out') {
+      return ('/sign-out');
+    } else if (item['id'] === 'home') {
+      return ('/browse/' + this.state.currentUser.uuid);
+    } else if (item['id'] === 'all-projects') {
+      return ('/browse');
+    } else if (item['id'] === 'all-users') {
+      return ('/users');
+    } else if (item['id'] === 'shared-with-me') {
+      return ('/shared-with-me');
+    } else if (item['id'] === 'whatsnew') {
+      return ('https://adared.ch/wba');
+    }
+  }
+
+  breadcrumbClicked(item) {
+    let objectType = arvadosTypeName(item.uuid.split('-')[1]);
+    if (objectType === 'user')
+      route('/browse/' + item.uuid)
+    else if (objectType === 'group' && item.group_class === 'project')
+      route('/browse/' + item.uuid);
+    else if (objectType === 'container_request')
+      route('/process/' + item.uuid)
+  }
+
+  addToToolbox(uuid) {
+    this.state.toolboxItems.push(uuid);
+    window.localStorage['toolboxItems'] =
+      JSON.stringify(this.state.toolboxItems);
+  }
+
+  clearToolbox() {
+    this.state.toolboxItems = [];
+    delete window.localStorage['toolboxItems'];
+  }
+
+  loadToolbox() {
+    this.state.toolboxItems = ('toolboxItems' in window.localStorage) ?
+      JSON.parse(window.localStorage['toolboxItems']) : [];
+  }
+
+  render() {
+    return (
+      <Router>
+        <WBLandingPage path="/" />
+
+        <WBSignIn path="/sign-in/:mode?" appState={ this.state } />
+
+        <WBSignOut path='/sign-out' app={ this } />
+
+        <WBBrowse path="/browse/:ownerUuid?/:activePage?/:objTypeTab?/:collectionPage?/:processPage?/:workflowPage?/:textSearch?"
+          app={ this } mode="browse" />
+
+        <WBBrowse path="/shared-with-me/:activePage?/:textSearch?"
+          app={ this } mode="shared-with-me" />
+
+        <WBProcessView path="/process/:uuid/:page?" app={ this } />
+
+        <WBContainerView path="/container/:uuid" app={ this } />
+
+        <WBCollectionView path="/collection/:uuid" app={ this } />
+
+        <WBCollectionBrowse path='/collection-browse/:uuid/:collectionPath?/:page?' app={ this } />
+
+        <WBUsersPage path='/users/:page?/:textSearch?' app={ this } />
+
+        <WBWorkflowView path="/workflow/:uuid" app={ this } />
+
+        <WBLaunchWorkflowPage path="/workflow-launch/:workflowUuid" app={ this } />
+
+        <WBDownloadPage path="/download/:blocksBlobUrl/:inline?" app={ this } />
+
+        <WBImageViewerPage path="/image-viewer/:blobUrl" app={ this } />
+
+        <WBSharingPage path="/sharing/:uuid" app={ this } />
+
+        <WBProjectView path="/project/:uuid" app={ this } />
+      </Router>
+    );
+  }
+}
+
+export default WBApp;
diff --git a/frontend/src/js/page/wb-browse.js b/frontend/src/js/page/wb-browse.js
new file mode 100644
index 0000000..25a0098
--- /dev/null
+++ b/frontend/src/js/page/wb-browse.js
@@ -0,0 +1,255 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import { route } from 'preact-router';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBProjectListing from 'wb-project-listing';
+import WBInlineSearch from 'wb-inline-search';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBTabs from 'wb-tabs';
+import WBProcessListing from 'wb-process-listing';
+import WBCollectionListing from 'wb-collection-listing';
+import WBWorkflowListing from 'wb-workflow-listing';
+import WBRenameDialog from 'wb-rename-dialog';
+import WBDeleteDialog from 'wb-delete-dialog';
+import WBNewProjectDialog from 'wb-new-project-dialog';
+import WBEditDescriptionDialog from 'wb-edit-description-dialog';
+import wbMoveObject from 'wb-move-object';
+import wbCopyCollection from 'wb-copy-collection';
+import arvadosTypeName from 'arvados-type-name';
+
+class WBBrowseProjectTabs extends Component {
+  render({ ownerUuid, selected, newProjectDialogRef, projectListingRef,
+    moveHere, copyHere }) {
+
+    return (
+      <WBTabs tabs={ [
+        { 'name': 'Projects', 'isActive': true },
+        ownerUuid ? { 'name': ( <span><i class="fas fa-plus-square text-success"></i> New Project</span> ),
+          'onClick': () => newProjectDialogRef.current.show(ownerUuid,
+            () => projectListingRef.current.fetchItems() ) } : null,
+        ( ownerUuid && Object.keys(selected).length > 0 ) ?
+          { 'name': ( <span><i class="fas fa-compress-arrows-alt text-warning"></i> Move Here</span> ),
+            'onClick': moveHere } : null,
+        ( ownerUuid && (uuids => uuids.length > 0 && uuids.length ===
+          uuids.map(arvadosTypeName).filter(a => (a === 'collection')).length )(Object.keys(selected)) ) ?
+          { 'name': ( <span><i class="fas fa-file-import text-warning"></i> Copy Here</span> ),
+            'onClick': copyHere } : null
+      ] } />
+    );
+  }
+}
+
+class WBBrowse extends Component {
+  constructor(...args) {
+    super(...args);
+    this.renameDialogRef = createRef();
+    this.deleteDialogRef = createRef();
+    this.newProjectDialogRef = createRef();
+    this.projectListingRef = createRef();
+    this.projectTabsRef = createRef();
+    this.editDescriptionDialogRef = createRef();
+    this.state.selected = {};
+  }
+
+  getUrl(params) {
+    const mode = ('mode' in params ? params.mode : this.props.mode);
+
+    if (mode === 'shared-with-me')
+      return '/shared-with-me/' +
+        ('activePage' in params ? params.activePage : (this.props.activePage || '')) + '/' +
+        ('textSearch' in params ? params.textSearch : (this.props.textSearch || ''));
+
+    let res = '/browse/' +
+      ('ownerUuid' in params ? params.ownerUuid : (this.props.ownerUuid || '')) + '/' +
+      ('activePage' in params ? params.activePage : (this.props.activePage || '')) + '/' +
+      ('objTypeTab' in params ? params.objTypeTab : (this.props.objTypeTab || '')) + '/' +
+      ('collectionPage' in params ? params.collectionPage : (this.props.collectionPage || '')) + '/' +
+      ('processPage' in params ? params.processPage : (this.props.processPage || '')) + '/' +
+      ('workflowPage' in params ? params.workflowPage : (this.props.workflowPage || '')) + '/' +
+      encodeURIComponent('textSearch' in params ? params.textSearch : (this.props.textSearch || ''));
+
+    return res;
+  }
+
+  route(params) {
+    route(this.getUrl(params));
+  }
+
+  renameDialog(item, callback) {
+    // throw Error('Not implemented');
+    this.renameDialogRef.current.show(item, callback);
+  }
+
+  renderRenameLink(item, callback) {
+    return (
+      <a href="#" title="Rename" onclick={ e => { e.preventDefault(); this.renameDialog(item, callback); } }>
+        <i class="fas fa-edit text-secondary"></i>
+      </a>
+    );
+  }
+
+  renderEditDescription(item, callback) {
+    return (
+      <a href="#" title="Edit description" onclick={ e => { e.preventDefault();
+        this.editDescriptionDialogRef.current.show(item, callback); } }>
+
+        <i class="fas fa-edit text-secondary"></i>
+      </a>
+    );
+  }
+
+  renderDeleteButton(item, callback) {
+    return (
+      <button class="btn btn-outline-danger m-1" title="Delete"
+        onclick={ () => this.deleteDialogRef.current.show(item, callback) }>
+        <i class="fas fa-trash"></i>
+      </button>
+    );
+  }
+
+  renderSelectionCell(item) {
+    const { selected } = this.state;
+    const { uuid } = item;
+    return (
+      <div>
+        <input type="checkbox" checked={ (uuid in selected) }
+          onChange={ e => {
+          if (e.target.checked)
+            selected[uuid] = true;
+          else
+            delete selected[uuid];
+          this.projectTabsRef.current.setState({});
+        } } /> { '\u00A0' }
+      </div>
+    );
+  }
+
+  renderSharingButton(item) {
+    return (
+      <a class="btn btn-outline-success m-1" title="Share"
+        href={ '/sharing/' + item.uuid }>
+        <i class="fas fa-share-alt"></i>
+      </a>
+    );
+  }
+
+  moveOrCopyOp(op) {
+    const { ownerUuid, app } = this.props;
+    const { selected } = this.state;
+    const { arvHost, arvToken } = app.state;
+    let prom = new Promise(accept => accept());
+    const uuids = Object.keys(selected);
+    for (let i = 0; i < uuids.length; i++) {
+      prom = prom.then(() => op(arvHost, arvToken, uuids[i], ownerUuid));
+      prom = prom.then(() => ( delete selected[uuids[i]] ));
+      prom = prom.catch(() => {});
+    }
+    prom = prom.then(() => this.setState({}));
+  }
+
+  moveHere() {
+    this.moveOrCopyOp(wbMoveObject);
+  }
+
+  copyHere() {
+    this.moveOrCopyOp(wbCopyCollection);
+  }
+
+  render({ mode, ownerUuid, activePage, app,
+    objTypeTab, collectionPage, processPage, workflowPage,
+    textSearch }, { selected }) {
+
+    const commonProps = {
+      renderRenameLink: (it, cb) => this.renderRenameLink(it, cb),
+      renderEditDescription: (it, cb) => this.renderEditDescription(it, cb),
+      renderDeleteButton: (it, cb) => this.renderDeleteButton(it, cb),
+      renderSelectionCell: it => this.renderSelectionCell(it),
+      renderSharingButton: it => this.renderSharingButton(it),
+      textSearch,
+      app,
+      appState: app.state,
+      arvHost: app.state.arvHost,
+      arvToken: app.state.arvToken,
+      ownerUuid
+    };
+
+    const { currentUser } = app.state;
+    const noDefaultTab = (!ownerUuid || ownerUuid === currentUser.uuid);
+
+    return (
+      <div>
+        <WBRenameDialog app={ app } ref={ this.renameDialogRef } />
+
+        <WBDeleteDialog app={ app } ref={ this.deleteDialogRef } />
+
+        <WBNewProjectDialog app={ app } ref={ this.newProjectDialogRef } />
+
+        <WBEditDescriptionDialog app={ app } ref={ this.editDescriptionDialogRef } />
+
+        <WBNavbarCommon app={ app }
+          activeItem={ mode === 'shared-with-me' ? 'shared-with-me' :
+            (!ownerUuid) ? 'all-projects' :
+            (ownerUuid === app.state.currentUser.uuid) ? 'home' : null }
+          textSearch={ textSearch }
+          textSearchNavigate={ textSearch => route(this.getUrl({ textSearch,
+            activePage: 0, collectionPage: 0, processPage: 0, workflowPage: 0 })) } />
+
+        <WBArvadosCrumbs mode={ mode } uuid={ ownerUuid } app={ app } />
+
+        <WBBrowseProjectTabs ref={ this.projectTabsRef } ownerUuid={ ownerUuid }
+          selected={ selected } newProjectDialogRef={ this.newProjectDialogRef }
+          projectListingRef={ this.projectListingRef } moveHere={ () => this.moveHere() }
+          copyHere={ () => this.copyHere() } />
+
+        <WBProjectListing ref={ this.projectListingRef }
+          mode={ mode }
+          itemsPerPage="5"
+          activePage={ Number(activePage || 0) }
+          getPageUrl={ i => this.getUrl({ 'activePage': i }) }
+          { ...commonProps } />
+
+        { (mode !== 'browse') ? null : (
+          <WBTabs tabs={ [
+            { 'id': 'collection', 'name': 'Collections', 'isActive': ((!objTypeTab && !noDefaultTab) || objTypeTab === 'collection') },
+            { 'id': 'process', 'name': 'Processes', 'isActive': (objTypeTab === 'process') },
+            { 'id': 'workflow', 'name': 'Workflows', 'isActive': (objTypeTab === 'workflow') } ] }
+            onTabChanged={ tab => this.route({ 'objTypeTab': tab['id'] }) } />
+        ) }
+
+        {
+          (mode !== 'browse') ? null :
+          ((!objTypeTab && !noDefaultTab) || objTypeTab === 'collection') ? (
+            <WBCollectionListing
+              itemsPerPage="20"
+              activePage={ Number(collectionPage || 0) }
+              getPageUrl={ i => this.getUrl({ 'collectionPage': i }) }
+              { ...commonProps } />
+
+          ) : (objTypeTab === 'process') ? (
+            <WBProcessListing
+              itemsPerPage="20"
+              activePage={ Number(processPage || 0) }
+              onPageChanged={ i => this.route({ 'processPage': i }) }
+              { ...commonProps } />
+
+          ) : (objTypeTab === 'workflow') ? (
+            <WBWorkflowListing
+              itemsPerPage="20"
+              page={ Number(workflowPage || 0) }
+              getPageUrl={ i => this.getUrl({ 'workflowPage': i }) }
+              { ...commonProps } />
+
+          ) : null
+        }
+      </div>
+    );
+  }
+}
+
+export default WBBrowse;
diff --git a/frontend/src/js/page/wb-collection-browse.js b/frontend/src/js/page/wb-collection-browse.js
new file mode 100644
index 0000000..b4fd418
--- /dev/null
+++ b/frontend/src/js/page/wb-collection-browse.js
@@ -0,0 +1,32 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBCollectionContent from 'wb-collection-content';
+
+class WBCollectionBrowse extends Component {
+  render({ app, uuid, collectionPath, page }, {}) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="my-2">
+          This is the collection browser for { uuid }
+        </div>
+
+        <WBCollectionContent app={ app } uuid={ uuid }
+          collectionPath={ collectionPath } page={ Number(page || 0) } />
+      </div>
+    );
+  }
+}
+
+export default WBCollectionBrowse;
diff --git a/frontend/src/js/page/wb-collection-view.js b/frontend/src/js/page/wb-collection-view.js
new file mode 100644
index 0000000..ebd1043
--- /dev/null
+++ b/frontend/src/js/page/wb-collection-view.js
@@ -0,0 +1,36 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBCommonFields from 'wb-common-fields';
+import WBCollectionFields from 'wb-collection-fields';
+
+class WBCollectionView extends Component {
+  render({ app, uuid }, {}) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="my-2">
+          This is the collection view for { uuid }
+        </div>
+
+        <h2>Common Fields</h2>
+        <WBCommonFields app={ app } uuid={ uuid } />
+
+        <h2>Collection Fields</h2>
+        <WBCollectionFields app={ app } uuid={ uuid } />
+      </div>
+    );
+  }
+}
+
+export default WBCollectionView;
diff --git a/frontend/src/js/page/wb-container-view.js b/frontend/src/js/page/wb-container-view.js
new file mode 100644
index 0000000..446e2a7
--- /dev/null
+++ b/frontend/src/js/page/wb-container-view.js
@@ -0,0 +1,40 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBCommonFields from 'wb-common-fields';
+import WBContainerFields from 'wb-container-fields';
+import WBLiveLogs from 'wb-live-logs';
+
+class WBContainerView extends Component {
+  render({ app, uuid }) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="my-2">
+          This is the container view for { uuid }
+        </div>
+
+        <h2>Common Fields</h2>
+        <WBCommonFields app={ app } uuid={ uuid } />
+
+        <h2>Container Fields</h2>
+        <WBContainerFields app={ app } uuid={ uuid } />
+
+        <h2>Live Logs</h2>
+        <WBLiveLogs app={ app } uuid={ uuid } />
+      </div>
+    );
+  }
+}
+
+export default WBContainerView;
diff --git a/frontend/src/js/page/wb-download-page.js b/frontend/src/js/page/wb-download-page.js
new file mode 100644
index 0000000..1dc4907
--- /dev/null
+++ b/frontend/src/js/page/wb-download-page.js
@@ -0,0 +1,133 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+
+function contentTypeFromFilename(name) {
+  let ext = name.split('.');
+  ext = ext[ext.length - 1].toUpperCase();
+  if (ext === 'TXT')
+    return 'text/plain; charset=utf-8';
+  if (ext === 'JPG' || ext === 'JPEG')
+    return 'image/jpeg';
+  if (ext === 'PNG')
+    return 'image/png';
+  return 'application/octet-stream; charset=utf-8';
+}
+
+class WBDownloadPage extends Component {
+  componentDidMount() {
+    const { app, blocksBlobUrl, inline } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    let prom = new Promise((accept, reject) => {
+      const xhr = new XMLHttpRequest();
+      xhr.open('GET', blocksBlobUrl);
+      xhr.onreadystatechange = () => {
+        if (xhr.readyState !== 4)
+          return;
+        if (xhr.status !== 200)
+          reject(xhr);
+        else
+          accept(xhr);
+      };
+      xhr.responseType = 'blob';
+      xhr.send();
+    });
+    prom = prom.then(xhr => xhr.response.text());
+
+    let name, file;
+
+    const { streamSaver, location } = window;
+    streamSaver.mitm = location.protocol + '//' +
+      location.hostname + (location.port ?
+        ':' + location.port : '') + '/mitm.html';
+
+    let fileStream;
+    let writer;
+    let done = false;
+
+    prom = prom.then(text => {
+      let _;
+
+      [ _, _, name, file ] = JSON.parse(text);
+
+      fileStream = streamSaver.createWriteStream(name, {
+        size: file[1],
+        inline: inline,
+        contentType: contentTypeFromFilename(name)
+      });
+      writer = fileStream.getWriter();
+
+      window.onunload = () => {
+        writer.abort()
+      };
+
+      window.onbeforeunload = evt => {
+        if (!done) {
+          evt.returnValue = `Are you sure you want to leave?`;
+        }
+      };
+
+      const filters = [
+        ['service_type', '=', 'proxy']
+      ];
+
+      return makeArvadosRequest(arvHost, arvToken,
+        '/arvados/v1/keep_services?filters=' +
+        encodeURIComponent(JSON.stringify(filters)));
+    });
+
+    prom = prom.then(xhr => {
+      const services = xhr.response.items;
+      const i = Math.floor(Math.random() * services.length);
+      const proxy = services[i];
+
+      let prom_1 = new Promise(accept => accept());
+      for (let k = 0; k < file[0].length; k++) {
+        const loc = file[0][k];
+        prom_1 = prom_1.then(() => makeArvadosRequest(
+          proxy.service_host + ':' + proxy.service_port,
+          arvToken,
+          '/' + loc[0],
+          { 'useSsl': proxy.service_ssl_flag,
+            'responseType': 'arraybuffer' }
+        ));
+        prom_1 = prom_1.then(xhr_1 => {
+          const blk = xhr_1.response.slice(loc[1], loc[2]);
+          // const r = new Response(blk);
+          // r.body.pipeTo(fileStream);
+          return writer.write(new Uint8Array(blk));
+        });
+      }
+      return prom_1;
+    });
+
+    prom = prom.then(() => {
+      writer.close();
+      done = true;
+    });
+  }
+
+  render() {
+    return (
+      <div class="container-fluid">
+        <div class="card my-3">
+          <div class="card-body">
+            Downloading, please wait...
+          </div>
+        </div>
+        <div class="alert alert-danger" role="alert">
+          Do not close this window until the download is finished.
+        </div>
+      </div>
+    );
+  }
+}
+
+export default WBDownloadPage;
diff --git a/frontend/src/js/page/wb-image-viewer-page.js b/frontend/src/js/page/wb-image-viewer-page.js
new file mode 100644
index 0000000..cc67217
--- /dev/null
+++ b/frontend/src/js/page/wb-image-viewer-page.js
@@ -0,0 +1,110 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+
+function downloadFile(arvHost, arvToken, file) {
+  const blockRefs = file[0];
+
+  let prom = makeArvadosRequest(arvHost, arvToken,
+    '/arvados/v1/keep_services');
+
+  let proxy;
+  prom = prom.then(xhr => {
+    const services = xhr.response['items'];
+    const proxies = services.filter(svc => (svc.service_type === 'proxy'));
+    const n = Math.floor(Math.random() * proxies.length);
+    proxy = proxies[n];
+  });
+
+  const blocks = [];
+
+  for (let i = 0; i < blockRefs.length; i++) {
+    let locator, start, end;
+
+    prom = prom.then(() => {
+      [ locator, start, end ] = blockRefs[i];
+      return makeArvadosRequest(
+        proxy.service_host + ':' + proxy.service_port,
+        arvToken, '/' + locator,
+        { 'useSsl': proxy.service_ssl_flag,
+          'responseType': 'arraybuffer' }
+      );
+    });
+
+    prom = prom.then(xhr => blocks.push(xhr.response.slice(start, end)));
+  }
+
+  prom = prom.then(() => {
+    const url = URL.createObjectURL(new Blob(blocks));
+    const totalSize = blocks.reduce((a, b) => a.length + b.length);
+    const big = new Uint8Array(totalSize);
+    for (let i = 0, pos = 0; i < blocks.length; i++) {
+      big.set(blocks[i], pos);
+      pos += blocks[i].length;
+    }
+    // papayaContainers[0].startPapaya();
+    const poll = () => {
+      setTimeout(() => {
+        console.log('Polling Papaya startup...')
+        if (window.papaya && window.papaya.Container) { // window.papayaContainers && window.papayaContainers[0]) {
+          console.log('Great, Papaya started!');
+          papaya.Container.startPapaya();
+          //papaya.Container.addImage(0, big.buffer);
+          document.body.id = "bod";
+          document.body.style.background = "#555";
+          papaya.Container.addViewer("bod", {
+            'binaryImages': [ big.buffer ],
+            'noNewFiles': true,
+          });
+        } else
+          poll();
+      }, 1000);
+    };
+    //setTimeout(poll, 10000);
+    poll();
+  });
+}
+
+class WBImageViewerPage extends Component {
+  componentDidMount() {
+    const { blobUrl, app } = this.props;
+    const { arvHost, arvToken } = app.state;
+
+    let prom = new Promise((accept, reject) => {
+      const xhr = new XMLHttpRequest();
+      xhr.open('GET', blobUrl);
+      xhr.onreadystatechange = () => {
+        if (xhr.readyState !== 4) return;
+        if (xhr.status !== 200) reject(xhr);
+        else accept(xhr);
+      };
+      xhr.responseType = 'blob';
+      xhr.send();
+    });
+
+    prom = prom.then(xhr => xhr.response.text());
+
+    prom = prom.then(data => {
+      data = JSON.parse(data);
+      downloadFile(arvHost, arvToken, data.file);
+    });
+  }
+
+  render() {
+    return (
+      <div>
+        <script language="javascript" src="/js/papaya.js"></script>
+
+        <div id="papaya" style="width: auto; height: 100%; margin: 0;"></div>
+      </div>
+    );
+  }
+}
+
+export default WBImageViewerPage;
diff --git a/frontend/src/js/page/wb-landing-page.js b/frontend/src/js/page/wb-landing-page.js
new file mode 100644
index 0000000..f261d24
--- /dev/null
+++ b/frontend/src/js/page/wb-landing-page.js
@@ -0,0 +1,27 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import makeArvadosRequest from 'make-arvados-request';
+import { route } from 'preact-router';
+
+class WBLandingPage extends Component {
+  componentDidMount() {
+    let { arvHost, arvToken } = window.localStorage;
+    let prom = makeArvadosRequest(arvHost, arvToken, '/arvados/v1/users/current');
+    prom = prom.then(xhr => route('/browse/' + xhr.response['uuid']));
+    prom = prom.catch(() => route('/sign-in'));
+  }
+
+  render() {
+    return (
+      <div>Please wait...</div>
+    );
+  }
+}
+
+export default WBLandingPage;
diff --git a/frontend/src/js/page/wb-launch-workflow-page.js b/frontend/src/js/page/wb-launch-workflow-page.js
new file mode 100644
index 0000000..492227f
--- /dev/null
+++ b/frontend/src/js/page/wb-launch-workflow-page.js
@@ -0,0 +1,185 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import { route } from 'preact-router';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBBrowseDialog from 'wb-browse-dialog';
+import WBTable from 'wb-table';
+import makeArvadosRequest from 'make-arvados-request';
+import { wbDisableControls, wbEnableControls } from 'wb-disable-controls';
+import linkState from 'linkstate';
+import wbParseWorkflowDef from 'wb-parse-workflow-def';
+import { wbParseWorkflowInputs, wbSubmitContainerRequest } from 'wb-submit-container-request';
+import WBWorkflowInput from 'wb-workflow-input';
+import { parseKeepRef } from 'wb-process-misc';
+
+class WBLaunchWorkflowPage extends Component {
+  constructor(...args) {
+    super(...args);
+    this.browseDialogRef = createRef();
+    this.state.inputs = {};
+    this.state.errors = [];
+    this.state.placeInSubProject = true;
+  }
+
+  componentDidMount() {
+    let { app, workflowUuid } = this.props;
+    let { arvHost, arvToken } = app.state;
+
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/workflows/' + workflowUuid);
+    prom = prom.then(xhr => {
+        const def = wbParseWorkflowDef(xhr.response.definition);
+        const inputs = {};
+        const main = def['$graph'].find(a => (a.id === '#main'));
+        main.inputs.map(a => (inputs[a.id] = JSON.stringify(parseKeepRef(a.default))));
+        this.setState({
+        'workflow': xhr.response,
+        'workflowDefinition': def,
+        'defaultProcessName': xhr.response.name + ' ' + (new Date().toISOString()),
+        'defaultProcessDescription': xhr.response.description,
+        inputs
+      });
+    });
+  }
+
+  submit() {
+    // first see if all inputs are parseable
+    const { app, workflowUuid } = this.props;
+    const { arvHost, arvToken, currentUser } = app.state;
+    const { workflowDefinition, projectUuid,
+      processName, processDescription,
+      defaultProcessName, defaultProcessDescription,
+      placeInSubProject } = this.state;
+
+    const errors = [];
+    const inputs = wbParseWorkflowInputs(workflowDefinition,
+      this.state.inputs, errors);
+    if (errors.length > 0) {
+      this.setState({ errors });
+      return;
+    }
+
+    const params = {
+      arvHost, arvToken, inputs,
+      processName: processName || defaultProcessName,
+      processDescription: processDescription || defaultProcessDescription,
+      projectUuid: projectUuid || currentUser.uuid,
+      workflowUuid, workflowDefinition, placeInSubProject
+    }
+
+    wbDisableControls();
+    let prom = wbSubmitContainerRequest(params);
+    prom = prom.then(xhr => {
+      wbEnableControls();
+      route('/process/' + xhr.response.uuid);
+    });
+    prom = prom.catch(exc => {
+      wbEnableControls();
+      this.setState({ errors: [ exc.message ] });
+    });
+  }
+
+  render({ app, workflowUuid },
+    { workflow, workflowDefinition, projectUuid, processName, processDescription,
+    defaultProcessName, defaultProcessDescription, errors, placeInSubProject }) {
+
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBBrowseDialog app={ app } ref={ this.browseDialogRef } />
+
+        { workflow ?
+          (<form class="container-fluid">
+            <h1>Launch Workflow</h1>
+
+            <div class="form-group">
+              <label>Workflow</label>
+              <WBArvadosCrumbs app={ app } uuid={ workflowUuid } />
+            </div>
+
+            <div class="form-group">
+              <label for="projectUuid">Project UUID</label>
+
+              <div class="input-group mb-3">
+                <input type="text" class="form-control" id="projectUuid"
+                  placeholder="Enter Project UUID" aria-label="Project UUID"
+                  aria-describedby="button-addon2" value={ projectUuid }
+                  onChange={ linkState(this, 'projectUuid') } />
+                <div class="input-group-append">
+                  <button class="btn btn-primary" type="button"
+                    id="button-addon2" onclick={ e => { e.preventDefault();
+                      this.browseDialogRef.current.show('owner', false,
+                        projectUuid => this.setState({ projectUuid })); } }>Browse</button>
+                </div>
+              </div>
+
+              { projectUuid ? (
+                <WBArvadosCrumbs app={ app } uuid={ projectUuid } />
+              ) : null }
+            </div>
+
+            <div class="form-check mb-3">
+              <input class="form-check-input" type="checkbox"
+                checked={ placeInSubProject ? 'checked' : null }
+                onchange={ e => (this.state.placeInSubProject = e.target.checked) }
+                id="placeInSubProject" />
+              <label class="form-check-label" for="placeInSubProject">
+                Place in a daily sub-project
+              </label>
+            </div>
+
+            <div class="form-group">
+              <label for="processName">Process Name</label>
+              <input type="text" class="form-control" id="processName"
+                placeholder={ defaultProcessName } value={ processName }
+                onChange={ linkState(this, 'processName') }/>
+            </div>
+
+            <div class="form-group">
+              <label for="processDescription">Process Description</label>
+              <input type="text" class="form-control" id="processDescription"
+                placeholder={ defaultProcessDescription } value={ processDescription }
+                onChange={ linkState(this, 'processDescription') } />
+            </div>
+
+            <div class="form-group">
+              <label for="inputs">Inputs</label>
+              <WBTable columns={ [ 'Name', 'Value'] }
+                rows={ workflowDefinition.$graph.find(a => (a.id === '#main')).inputs.map(it => [
+                  it.label || it.id,
+                  ( <WBWorkflowInput app={ app } inputSpec={ it }
+                    inputsDict={ this.state.inputs }
+                    browseDialogRef={ this.browseDialogRef } /> )
+                ]) } />
+            </div>
+
+            { errors.length > 0 ? (
+              <div class="form-group">
+                { errors.map(err => (
+                  <div class="alert alert-danger" role="alert">
+                    { err }
+                  </div>
+                ))}
+              </div>
+            ) : null }
+
+            <div class="form-group">
+              <button class="btn btn-success" onclick={ e => { e.preventDefault(); this.submit(); } }>
+                Submit
+              </button>
+            </div>
+          </form>) : <div>Loading...</div> }
+      </div>
+    );
+  }
+}
+
+export default WBLaunchWorkflowPage;
diff --git a/frontend/src/js/page/wb-process-view.js b/frontend/src/js/page/wb-process-view.js
new file mode 100644
index 0000000..ea426a5
--- /dev/null
+++ b/frontend/src/js/page/wb-process-view.js
@@ -0,0 +1,95 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import makeArvadosRequest from 'make-arvados-request';
+import WBCommonFields from 'wb-common-fields';
+import WBContainerRequestFields from 'wb-container-request-fields';
+import WBProcessListing from 'wb-process-listing';
+import WBProcessDashboard from 'wb-process-dashboard';
+
+class WBProcessView extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.objectUrls = [];
+  }
+
+  getUrl(props) {
+    const page = ('page' in props ? props.page : this.props.page);
+    return ('/process/' + this.props.uuid +
+      (page ? '/' + page : ''));
+  }
+
+  fetchData() {
+    let { arvHost, arvToken } = this.props.app.state;
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/container_requests/' + this.props.uuid);
+    let req;
+    let cont;
+    prom = prom.then(xhr => {
+      req = xhr.response;
+      if (req.container_uuid) {
+        let prom_1 = makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/containers/' + req.container_uuid);
+        prom_1 = prom_1.then(xhr => (cont = xhr.response));
+        return prom_1;
+      }
+    });
+    prom = prom.then(() => {
+      this.setState({
+        'request': req,
+        'container': cont
+      });
+    });
+  }
+
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.setState({ 'objectUrls': [], 'request': null, 'container': null });
+    this.fetchData();
+  }
+
+  render({ app, uuid, page }, { container }) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="my-2">
+          This is the process view for { uuid }
+        </div>
+
+        <h2>Children Dashboard</h2>
+        <WBProcessDashboard app={ app } parentProcessUuid={ uuid } lazy={ true } />
+
+        <h2>Common Fields</h2>
+        <WBCommonFields app={ app } uuid={ uuid } />
+
+        <h2>Container Request Fields</h2>
+        <WBContainerRequestFields app={ app } uuid={ uuid } />
+
+        <h2>Children</h2>
+        <WBProcessListing app={ app }
+          appState={ app.state }
+          requestingContainerUuid={ container ? container.uuid : null }
+          waitForNextProps={ !container }
+          itemsPerPage="20"
+          activePage={ Number(page || 0) }
+          getPageUrl={ page => this.getUrl({ page }) } />
+      </div>
+    );
+  }
+}
+
+export default WBProcessView;
diff --git a/frontend/src/js/page/wb-project-view.js b/frontend/src/js/page/wb-project-view.js
new file mode 100644
index 0000000..19b0221
--- /dev/null
+++ b/frontend/src/js/page/wb-project-view.js
@@ -0,0 +1,36 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBCommonFields from 'wb-common-fields';
+import WBProjectFields from 'wb-project-fields';
+
+class WBProjectView extends Component {
+  render({ app, uuid }, {}) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="my-2">
+          This is the project view for { uuid }
+        </div>
+
+        <h2>Common Fields</h2>
+        <WBCommonFields app={ app } uuid={ uuid } />
+
+        <h2>Project Fields</h2>
+        <WBProjectFields app={ app } uuid={ uuid } />
+      </div>
+    );
+  }
+}
+
+export default WBProjectView;
diff --git a/frontend/src/js/page/wb-sharing-page.js b/frontend/src/js/page/wb-sharing-page.js
new file mode 100644
index 0000000..c05d511
--- /dev/null
+++ b/frontend/src/js/page/wb-sharing-page.js
@@ -0,0 +1,177 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBNameAndUuid from 'wb-name-and-uuid';
+import WBSelect from 'wb-select';
+import WBTable from 'wb-table';
+import WBPickObjectDialog from 'wb-pick-object-dialog';
+import makeArvadosRequest from 'make-arvados-request';
+
+class WBSharingPage extends Component {
+  constructor(...args) {
+    super(...args);
+    this.state.rows = [];
+    this.dialogRef = createRef();
+  }
+
+  componentDidMount() {
+    this.fetchData();
+  }
+
+  fetchData() {
+    const { app, uuid } = this.props;
+    const { arvHost, arvToken } = app.state;
+    let prom = makeArvadosRequest(arvHost, arvToken,
+      '/arvados/v1/permissions/' + encodeURIComponent(uuid) +
+      '?limit=100000');
+    prom = prom.then(xhr => this.setState({
+      'entries': xhr.response.items,
+      'rows': this.prepareRows(xhr.response.items)
+    }));
+  }
+
+  deleteEntry(it) {
+    it._delete = true;
+    this.setState({ rows: this.prepareRows(this.state.entries) });
+  }
+
+  prepareRows(items) {
+    const { app } = this.props;
+    return items.filter(it => (!it._delete)).map(it => [
+      ( <WBNameAndUuid app={ app } uuid={ it.tail_uuid } /> ),
+      ( <WBSelect value={ it.name }
+          options={ ['can_read', 'can_write', 'can_manage'] }
+          onChange={ e => this.modifyEntry(it, e.target.value) } /> ),
+      ( <button class="btn btn-outline-danger m-1" title="Delete"
+        onclick={ () => this.deleteEntry(it) }>
+        <i class="fas fa-trash"></i>
+      </button> )
+    ]);
+  }
+
+  modifyEntry(it, newPermissionName) {
+    it.name = newPermissionName;
+    it._dirty = true;
+    // this.setState({ rows: this.prepareRows(this.state.entries) });
+  }
+
+  addEntry(it, permissionName='can_read') {
+    // throw Error('Not implemented');
+    const { uuid } = this.props;
+    let { entries } = this.state;
+    if (entries.filter(e => (e.tail_uuid === it.uuid)).length > 0)
+      return; // already in the list
+    const e = {
+      //_dirty: true,
+      link_class: 'permission',
+      head_uuid: uuid,
+      tail_uuid: it.uuid,
+      name: permissionName
+    };
+    entries = entries.concat([e]);
+    this.setState({
+      entries,
+      rows: this.prepareRows(entries)
+    });
+  }
+
+  disableControls() {
+    $('input, select, button').attr('disabled', 'disabled');
+    $('a').each(function() { $(this).data('old_href', $(this).attr('href')); });
+    $('a').attr('href', null);
+  }
+
+  enableControls() {
+    $('input, select, button').attr('disabled', null);
+    $('a').each(function() { $(this).attr('href', $(this).data('old_href')); });
+  }
+
+  save() {
+    const { entries } = this.state;
+    const { arvHost, arvToken } = this.props.app.state;
+    let prom = new Promise(accept => accept());
+    this.disableControls();
+    this.setState({ working: true });
+    for (let i = 0; i < entries.length; i++) {
+      const e = entries[i];
+
+      //if (!e._dirty && !e._delete)
+        //continue;
+
+      if (!e.uuid) {
+        prom = prom.then(() => makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/links',
+          { 'method': 'POST',
+            'data': JSON.stringify({
+              'link_class': 'permission',
+              'head_uuid': e.head_uuid,
+              'tail_uuid': e.tail_uuid,
+              'name': e.name
+            }) }));
+
+      } else if (e._delete) {
+        prom = prom.then(() => makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/links/' + e.uuid,
+          { 'method': 'DELETE' }));
+
+      } else if (e._dirty) {
+        prom = prom.then(() => makeArvadosRequest(arvHost, arvToken,
+          '/arvados/v1/links/' + e.uuid,
+          { 'method': 'PUT',
+            'data': JSON.stringify({
+              'name': e.name
+            }) }));
+      }
+      prom = prom.catch(() => {});
+    }
+    prom = prom.then(() => {
+      this.enableControls();
+      this.fetchData();
+      this.setState({ working: false });
+    });
+  }
+
+  render({ app, uuid }, { rows, working }) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="container-fluid">
+          <div class="my-2">
+            This is the sharing management page for { uuid }
+          </div>
+
+          <WBTable columns={ [ 'Name', 'Permission', '' ] }
+            headerClasses={ [ null, null, 'w-1' ] }
+            rows={ rows } />
+
+          <WBPickObjectDialog app={ app } ref={ this.dialogRef } />
+
+          { working ? (<div class="progress my-2">
+            <div class={ 'progress-bar progress-bar-striped progress-bar-animated' }
+              role="progressbar" aria-valuenow="100" aria-valuemin="0"
+              aria-valuemax="100" style="width: 100%"></div>
+          </div>) : null }
+
+          <button class="btn btn-outline-secondary mr-2"
+            onclick={ () => this.dialogRef.current.show('Select User', 'user', it => this.addEntry(it)) }>Add User...</button>
+          <button class="btn btn-outline-secondary mr-2"
+            onclick={ () => this.dialogRef.current.show('Select Group', 'group', it => this.addEntry(it), [['group_class', '=', 'role']]) }>Add Group...</button>
+          <button class="btn btn-primary mr-2"
+            onclick={ () => this.save() }>Save</button>
+        </div>
+      </div>
+    );
+  }
+}
+
+export default WBSharingPage;
diff --git a/frontend/src/js/page/wb-sign-in.js b/frontend/src/js/page/wb-sign-in.js
new file mode 100644
index 0000000..cd55303
--- /dev/null
+++ b/frontend/src/js/page/wb-sign-in.js
@@ -0,0 +1,109 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { route } from 'preact-router';
+import WBNavbar from 'wb-navbar';
+import WBTabs from 'wb-tabs';
+import linkState from 'linkstate';
+import makeArvadosRequest from 'make-arvados-request';
+
+class WBSignIn extends Component {
+  constructor(...args) {
+    super(...args);
+    const search = new URLSearchParams(window.location.search);
+    this.state.arvHost = window.localStorage.arvHost;
+    this.state.arvToken = search.get('api_token');
+  }
+
+  componentDidMount() {
+    // const arvHost = window.localStorage.arvHost;
+    // const arvToken = search.get('api_token');
+    const { arvHost, arvToken } = this.state;
+    if (arvHost && arvToken) {
+      this.state.arvHost = arvHost;
+      this.state.arvToken = arvToken;
+      this.submitToken();
+    }
+  }
+
+  submit() {
+    const { mode } = this.props;
+    if (mode === 'token')
+      this.submitToken();
+    else if (!mode || mode === 'sso')
+      this.submitSingleSignOn();
+    else
+      throw Error('Unsupported mode');
+  }
+
+  submitSingleSignOn() {
+    const { arvHost } = this.state;
+    window.localStorage.arvHost = arvHost;
+    window.location = 'https://' + arvHost + '/login?return_to='
+      + encodeURIComponent(window.location.protocol + '//' + window.location.host + '/sign-in/token');
+  }
+
+  submitToken() {
+    let { appState } = this.props;
+    let { arvHost, arvToken } = this.state;
+    let prom = makeArvadosRequest(arvHost, arvToken, '/arvados/v1/users/current');
+    prom = prom.then(xhr => {
+      window.localStorage['arvHost'] = arvHost;
+      window.localStorage['arvToken'] = arvToken;
+      window.localStorage['currentUser'] = JSON.stringify(xhr.response);
+      appState.arvHost = arvHost;
+      appState.arvToken = arvToken;
+      appState.currentUser = xhr.response;
+      route('/browse/' + xhr.response['uuid']);
+    });
+    prom = prom.catch(() => {
+      alert('Sign in unsuccessful. Verify your input and try again.')
+    });
+  }
+
+  render({ mode }, { arvHost, arvToken }) {
+    return (
+      <div>
+        <WBNavbar />
+
+        <div class="container my-3">
+          <div class="row justify-content-center">
+            <div class="col-6">
+              <h1>Sign In</h1>
+              <WBTabs class="my-3" tabs={ [ { name: 'SSO', isActive: (!mode || mode === 'sso') },
+                { name: 'Token', isActive: (mode === 'token') } ] }
+                onTabChanged={ t => route(t.name === 'Token' ? '/sign-in/token' : '/sign-in/sso') } />
+              <form>
+                <div class="form-group">
+                  <label for="arvHost">Arvados API Host</label>
+                  <input type="text" class="form-control" id="arvHost"
+                    placeholder="Enter Arvados API Host"
+                    value={ arvHost }
+                    onInput={ linkState(this, 'arvHost') } />
+                </div>
+                { mode === 'token' ? (
+                  <div class="form-group">
+                    <label for="arvToken">Token</label>
+                    <input type="text" class="form-control" id="arvToken"
+                      placeholder="Enter Arvados API Token"
+                      value={ arvToken }
+                      onInput={ linkState(this, 'arvToken') } />
+                  </div>
+                ) : null }
+                <button type="submit" class="btn btn-primary"
+                  onclick={ e => { e.preventDefault(); this.submit(); } }>Submit</button>
+              </form>
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  }
+}
+
+export default WBSignIn;
diff --git a/frontend/src/js/page/wb-sign-out.js b/frontend/src/js/page/wb-sign-out.js
new file mode 100644
index 0000000..5b781be
--- /dev/null
+++ b/frontend/src/js/page/wb-sign-out.js
@@ -0,0 +1,29 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { route } from 'preact-router';
+
+class WBSignOut extends Component {
+  componentDidMount() {
+    const { app } = this.props;
+    const keys = ['arvHost', 'arvToken', 'currentUser'];
+    for (let i = 0; i < keys.length; i++) {
+      delete app.state[keys[i]];
+      delete window.localStorage[keys[i]];
+    }
+    route('/sign-in');
+  }
+
+  render() {
+    return (
+      <div>Signing out...</div>
+    );
+  }
+}
+
+export default WBSignOut;
diff --git a/frontend/src/js/page/wb-users-page.js b/frontend/src/js/page/wb-users-page.js
new file mode 100644
index 0000000..dce190b
--- /dev/null
+++ b/frontend/src/js/page/wb-users-page.js
@@ -0,0 +1,37 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import { route } from 'preact-router';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBUserListing from 'wb-user-listing';
+
+class WBUsersPage extends Component {
+  getUrl(params) {
+    const url = '/users/' +
+      Number('page' in params ? params.page : (this.props.page || 0)) + '/' +
+      encodeURIComponent('textSearch' in params ? params.textSearch : (this.props.textSearch || ''));
+    return url;
+    // return ('/users/' + page);
+  }
+
+  render({ app, page, textSearch }) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } activeItem="all-users"
+          textSearch={ textSearch }
+          textSearchNavigate={ textSearch => route(this.getUrl({ textSearch, page: 0 })) } />
+
+        <WBUserListing app={ app } page={ Number(page || 0) }
+          textSearch={ textSearch }
+          getPageUrl={ page => this.getUrl({ page }) } />
+      </div>
+    );
+  }
+};
+
+export default WBUsersPage;
diff --git a/frontend/src/js/page/wb-workflow-view.js b/frontend/src/js/page/wb-workflow-view.js
new file mode 100644
index 0000000..5a0f986
--- /dev/null
+++ b/frontend/src/js/page/wb-workflow-view.js
@@ -0,0 +1,36 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+import WBNavbarCommon from 'wb-navbar-common';
+import WBArvadosCrumbs from 'wb-arvados-crumbs';
+import WBCommonFields from 'wb-common-fields';
+import WBWorkflowFields from 'wb-workflow-fields';
+
+class WBWorkflowView extends Component {
+  render({ app, uuid }, {}) {
+    return (
+      <div>
+        <WBNavbarCommon app={ app } />
+
+        <WBArvadosCrumbs app={ app } uuid={ uuid } />
+
+        <div class="my-2">
+          This is the workflow view for { uuid }
+        </div>
+
+        <h2>Common Fields</h2>
+        <WBCommonFields app={ app } uuid={ uuid } />
+
+        <h2>Workflow Fields</h2>
+        <WBWorkflowFields app={ app } uuid={ uuid } />
+      </div>
+    );
+  }
+}
+
+export default WBWorkflowView;
diff --git a/frontend/src/js/thirdparty/StreamSaver.js b/frontend/src/js/thirdparty/StreamSaver.js
new file mode 100644
index 0000000..0a596be
--- /dev/null
+++ b/frontend/src/js/thirdparty/StreamSaver.js
@@ -0,0 +1,296 @@
+/* global chrome location ReadableStream define MessageChannel TransformStream */
+
+;((name, definition) => {
+  typeof module !== 'undefined'
+    ? module.exports = definition()
+    : typeof define === 'function' && typeof define.amd === 'object'
+      ? define(definition)
+      : this[name] = definition()
+})('streamSaver', () => {
+  'use strict'
+
+  let mitmTransporter = null
+  let supportsTransferable = false
+  const test = fn => { try { fn() } catch (e) {} }
+  const ponyfill = window.WebStreamsPolyfill || {}
+  const isSecureContext = window.isSecureContext
+  let useBlobFallback = /constructor/i.test(window.HTMLElement) || !!window.safari
+  const downloadStrategy = isSecureContext || 'MozAppearance' in document.documentElement.style
+    ? 'iframe'
+    : 'navigate'
+
+  const streamSaver = {
+    createWriteStream,
+    WritableStream: window.WritableStream || ponyfill.WritableStream,
+    supported: true,
+    version: { full: '2.0.0', major: 2, minor: 0, dot: 0 },
+    mitm: 'https://jimmywarting.github.io/StreamSaver.js/mitm.html?version=2.0.0'
+  }
+
+  /**
+   * create a hidden iframe and append it to the DOM (body)
+   *
+   * @param  {string} src page to load
+   * @return {HTMLIFrameElement} page to load
+   */
+  function makeIframe (src) {
+    if (!src) throw new Error('meh')
+    const iframe = document.createElement('iframe')
+    iframe.hidden = true
+    iframe.src = src
+    iframe.loaded = false
+    iframe.name = 'iframe'
+    iframe.isIframe = true
+    iframe.postMessage = (...args) => iframe.contentWindow.postMessage(...args)
+    iframe.addEventListener('load', () => {
+      iframe.loaded = true
+    }, { once: true })
+    document.body.appendChild(iframe)
+    return iframe
+  }
+
+  /**
+   * create a popup that simulates the basic things
+   * of what a iframe can do
+   *
+   * @param  {string} src page to load
+   * @return {object}     iframe like object
+   */
+  function makePopup (src) {
+    const options = 'width=200,height=100'
+    const delegate = document.createDocumentFragment()
+    const popup = {
+      frame: window.open(src, 'popup', options),
+      loaded: false,
+      isIframe: false,
+      isPopup: true,
+      remove () { popup.frame.close() },
+      addEventListener (...args) { delegate.addEventListener(...args) },
+      dispatchEvent (...args) { delegate.dispatchEvent(...args) },
+      removeEventListener (...args) { delegate.removeEventListener(...args) },
+      postMessage (...args) { popup.frame.postMessage(...args) }
+    }
+
+    const onReady = evt => {
+      if (evt.source === popup.frame) {
+        popup.loaded = true
+        window.removeEventListener('message', onReady)
+        popup.dispatchEvent(new Event('load'))
+      }
+    }
+
+    window.addEventListener('message', onReady)
+
+    return popup
+  }
+
+  try {
+    // We can't look for service worker since it may still work on http
+    new Response(new ReadableStream())
+    if (isSecureContext && !('serviceWorker' in navigator)) {
+      useBlobFallback = true
+    }
+  } catch (err) {
+    useBlobFallback = true
+  }
+
+  test(() => {
+    // Transfariable stream was first enabled in chrome v73 behind a flag
+    const { readable } = new TransformStream()
+    const mc = new MessageChannel()
+    mc.port1.postMessage(readable, [readable])
+    mc.port1.close()
+    mc.port2.close()
+    supportsTransferable = true
+    // Freeze TransformStream object (can only work with native)
+    Object.defineProperty(streamSaver, 'TransformStream', {
+      configurable: false,
+      writable: false,
+      value: TransformStream
+    })
+  })
+
+  function loadTransporter () {
+    if (!mitmTransporter) {
+      mitmTransporter = isSecureContext
+        ? makeIframe(streamSaver.mitm)
+        : makePopup(streamSaver.mitm)
+    }
+  }
+
+  /**
+   * @param  {string} filename filename that should be used
+   * @param  {object} options  [description]
+   * @param  {number} size     depricated
+   * @return {WritableStream}
+   */
+  function createWriteStream (filename, options, size) {
+    let opts = {
+      size: null,
+      pathname: null,
+      writableStrategy: undefined,
+      readableStrategy: undefined
+    }
+
+    // normalize arguments
+    if (Number.isFinite(options)) {
+      [ size, options ] = [ options, size ]
+      console.warn('[StreamSaver] Depricated pass an object as 2nd argument when creating a write stream')
+      opts.size = size
+      opts.writableStrategy = options
+    } else if (options && options.highWaterMark) {
+      console.warn('[StreamSaver] Depricated pass an object as 2nd argument when creating a write stream')
+      opts.size = size
+      opts.writableStrategy = options
+    } else {
+      opts = options || {}
+    }
+    if (!useBlobFallback) {
+      loadTransporter()
+
+      var bytesWritten = 0 // by StreamSaver.js (not the service worker)
+      var downloadUrl = null
+      var channel = new MessageChannel()
+
+      // Make filename RFC5987 compatible
+      filename = encodeURIComponent(filename.replace(/\//g, ':'))
+        .replace(/['()]/g, escape)
+        .replace(/\*/g, '%2A')
+
+      const response = {
+        transferringReadable: supportsTransferable,
+        pathname: opts.pathname || Math.random().toString().slice(-6) + '/' + filename,
+        headers: {
+          'Content-Type': (options.contentType ? options.contentType :
+            'application/octet-stream; charset=utf-8'),
+          'Content-Disposition': (options.inline ? 'inline' :
+            ("attachment; filename*=UTF-8''" + filename))
+        }
+      }
+
+      if (opts.size) {
+        response.headers['Content-Length'] = opts.size
+      }
+
+      const args = [ response, '*', [ channel.port2 ] ]
+
+      if (supportsTransferable) {
+        const transformer = downloadStrategy === 'iframe' ? undefined : {
+          // This transformer & flush method is only used by insecure context.
+          transform (chunk, controller) {
+            bytesWritten += chunk.length
+            controller.enqueue(chunk)
+
+            if (downloadUrl) {
+              location.href = downloadUrl
+              downloadUrl = null
+            }
+          },
+          flush () {
+            if (downloadUrl) {
+              location.href = downloadUrl
+            }
+          }
+        }
+        var ts = new streamSaver.TransformStream(
+          transformer,
+          opts.writableStrategy,
+          opts.readableStrategy
+        )
+        const readableStream = ts.readable
+
+        channel.port1.postMessage({ readableStream }, [ readableStream ])
+      }
+
+      channel.port1.onmessage = evt => {
+        // Service worker sent us a link that we should open.
+        if (evt.data.download) {
+          // Special treatment for popup...
+          if (downloadStrategy === 'navigate') {
+            mitmTransporter.remove()
+            mitmTransporter = null
+            if (bytesWritten) {
+              location.href = evt.data.download
+            } else {
+              downloadUrl = evt.data.download
+            }
+          } else {
+            if (mitmTransporter.isPopup) {
+              mitmTransporter.remove()
+              // Special case for firefox, they can keep sw alive with fetch
+              if (downloadStrategy === 'iframe') {
+                makeIframe(streamSaver.mitm)
+              }
+            }
+
+            // We never remove this iframes b/c it can interrupt saving
+            makeIframe(evt.data.download)
+          }
+        }
+      }
+
+      if (mitmTransporter.loaded) {
+        mitmTransporter.postMessage(...args)
+      } else {
+        mitmTransporter.addEventListener('load', () => {
+          mitmTransporter.postMessage(...args)
+        }, { once: true })
+      }
+    }
+
+    let chunks = []
+
+    return (!useBlobFallback && ts && ts.writable) || new streamSaver.WritableStream({
+      write (chunk) {
+        if (useBlobFallback) {
+          // Safari... The new IE6
+          // https://github.com/jimmywarting/StreamSaver.js/issues/69
+          //
+          // even doe it has everything it fails to download anything
+          // that comes from the service worker..!
+          chunks.push(chunk)
+          return
+        }
+
+        // is called when a new chunk of data is ready to be written
+        // to the underlying sink. It can return a promise to signal
+        // success or failure of the write operation. The stream
+        // implementation guarantees that this method will be called
+        // only after previous writes have succeeded, and never after
+        // close or abort is called.
+
+        // TODO: Kind of important that service worker respond back when
+        // it has been written. Otherwise we can't handle backpressure
+        // EDIT: Transfarable streams solvs this...
+        channel.port1.postMessage(chunk)
+        bytesWritten += chunk.length
+
+        if (downloadUrl) {
+          location.href = downloadUrl
+          downloadUrl = null
+        }
+      },
+      close () {
+        if (useBlobFallback) {
+          const blob = new Blob(chunks, { type: 'application/octet-stream; charset=utf-8' })
+          const link = document.createElement('a')
+          link.href = URL.createObjectURL(blob)
+          link.download = filename
+          link.click()
+        } else {
+          channel.port1.postMessage('end')
+        }
+      },
+      abort () {
+        chunks = []
+        channel.port1.postMessage('abort')
+        channel.port1.onmessage = null
+        channel.port1.close()
+        channel.port2.close()
+        channel = null
+      }
+    }, opts.writableStrategy)
+  }
+
+  return streamSaver
+})
diff --git a/frontend/src/js/widget/wb-accordion.js b/frontend/src/js/widget/wb-accordion.js
new file mode 100644
index 0000000..69659e6
--- /dev/null
+++ b/frontend/src/js/widget/wb-accordion.js
@@ -0,0 +1,87 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBAccordion extends Component {
+  constructor(...args) {
+    super(...args);
+    this.setupIds();
+  }
+
+  setupIds() {
+    this.state.domId = 'accordion-' + uuid.v4();
+    const { names } = this.props;
+    const { state  } = this;
+    state.headerDomIds = names.map(() => ('accordion-' + uuid.v4()));
+    state.collapseDomIds = names.map(() => ('accordion-' + uuid.v4()));
+    state.collapseClass = Array(names.length).fill('collapse');
+    state.ariaExpanded = Array(names.length).fill(false);
+    state.buttonClass = Array(names.length).fill('btn btn-link collapsed');
+    state.collapseElements = null;
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (JSON.stringify(nextProps.names) === JSON.stringify(this.props.names))
+      return;
+    this.props = nextProps;
+    this.setupIds();
+  }
+
+  toggle(idx) {
+    const { ariaExpanded, collapseClass, buttonClass } = this.state;
+    const isOpen = ariaExpanded[idx];
+    for (let i = 0; i < ariaExpanded.length; i++) {
+      ariaExpanded[i] = false;
+      collapseClass[i] = 'collapse';
+      buttonClass[i] = 'btn btn-link collapsed';
+    }
+    if (!isOpen) {
+      ariaExpanded[idx] = true;
+      collapseClass[idx] = 'collapse show';
+      buttonClass[idx] = 'btn btn-link';
+    }
+    this.setState({ ariaExpanded, collapseClass, buttonClass });
+  }
+
+  render({ children, names, extraHeaderUi, cardHeaderClass }, { domId, headerDomIds,
+    collapseDomIds, collapseClass, ariaExpanded, buttonClass }) {
+
+    return (
+      <div class="accordion" id={ domId }>
+        { children.map((_, i) => (
+          <div class="card">
+            <div class={ cardHeaderClass } id={ headerDomIds[i] }>
+              <h2 class="mb-0">
+                <button class={ buttonClass[i] } type="button"
+                  aria-expanded={ ariaExpanded[i] } aria-controls={ collapseDomIds[i] }
+                  onclick={ () => this.toggle(i) }>
+                  { names[i] }
+                </button>
+                { extraHeaderUi[i] }
+              </h2>
+            </div>
+
+            <div id={ collapseDomIds[i] } class={ collapseClass[i] }
+              aria-labelledby={ headerDomIds[i] }>
+              <div class="card-body">
+                { children[i] }
+              </div>
+            </div>
+          </div>
+        )) }
+      </div>
+    );
+  }
+};
+
+WBAccordion.defaultProps = {
+  cardHeaderClass: 'card-header',
+  extraHeaderUi: []
+};
+
+export default WBAccordion;
diff --git a/frontend/src/js/widget/wb-breadcrumbs.js b/frontend/src/js/widget/wb-breadcrumbs.js
new file mode 100644
index 0000000..ce1037e
--- /dev/null
+++ b/frontend/src/js/widget/wb-breadcrumbs.js
@@ -0,0 +1,42 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBBreadcrumbs extends Component {
+  render({ items, onItemClicked, getItemUrl }) {
+    return (
+      <nav aria-label="breadcrumb">
+        <ol class="breadcrumb">
+          { items.map((item, idx) => (
+            <li class={ 'breadcrumb-item' +
+              (idx == items.length - 1 ? ' active' : '') }>
+              {
+                (idx < items.length - 1) ? (
+                  <a href={ getItemUrl ? getItemUrl(item) : '#' }
+                    onclick={ onItemClicked ? ( e => { e.preventDefault();
+                    onItemClicked(item); } ) : null }>
+                    { typeof(item) === 'string' ? item : item['name'] }
+                  </a>
+                ) : (
+                  typeof(item) === 'string' ? item : item['name']
+                )
+              }
+            </li>
+          )) }
+        </ol>
+      </nav>
+    );
+  }
+}
+
+WBBreadcrumbs.defaultProps = {
+  onItemClicked: null,
+  getItemUrl: null
+}
+
+export default WBBreadcrumbs;
diff --git a/frontend/src/js/widget/wb-checkboxes.js b/frontend/src/js/widget/wb-checkboxes.js
new file mode 100644
index 0000000..36db0ab
--- /dev/null
+++ b/frontend/src/js/widget/wb-checkboxes.js
@@ -0,0 +1,37 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBCheckboxes extends Component {
+  render({ items, checked, onChange, cssClass, title }) {
+    return (
+      <div class={ 'btn-group-toggle' + (cssClass ? ' ' + cssClass : '') } data-toggle="buttons">
+        { title }
+        {
+          items.map((name, idx) => (
+            <label class={ 'btn btn-outline-primary' + (checked[idx] ? ' active' : '') }
+              onclick={ e => { e.preventDefault();
+                checked[idx] = !checked[idx];
+                this.setState({});
+                onChange(); } }>
+              <input type="checkbox" checked={ checked[idx] ? 'checked' : null }
+                autocomplete="off" /> { name }
+            </label>
+          ))
+        }
+      </div>
+    );
+  }
+}
+
+WBCheckboxes.defaultProps = {
+  'checked': [],
+  'onChange': () => {}
+}
+
+export default WBCheckboxes;
diff --git a/frontend/src/js/widget/wb-dialog.js b/frontend/src/js/widget/wb-dialog.js
new file mode 100644
index 0000000..71abeae
--- /dev/null
+++ b/frontend/src/js/widget/wb-dialog.js
@@ -0,0 +1,69 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, createRef } from 'preact';
+
+class WBDialog extends Component {
+  constructor(...args) {
+    super(...args);
+    this.modalRef = createRef();
+  }
+
+  show() {
+    $(this.modalRef.current).modal();
+  }
+
+  hide() {
+    $(this.modalRef.current).modal('hide');
+  }
+
+  componentWillUnmount() {
+    $(this.modalRef.current).modal('hide');
+  }
+
+  render({ title, children, canAccept, accept, reject }) {
+    return (
+      <form class="m-0">
+        <div class="modal" tabindex="-1" role="dialog" ref={ this.modalRef }>
+          <div class="modal-dialog modal-lg" role="document">
+            <div class="modal-content">
+              <div class="modal-header">
+                <h5 class="modal-title">{ title }</h5>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                  <span aria-hidden="true">&times;</span>
+                </button>
+              </div>
+
+              <div class="modal-body">
+                { children[0] }
+              </div>
+
+              <div class="modal-footer">
+                { children[1] ? children[1] : [
+                  <input type="submit" class="btn btn-primary" value="Accept"
+                    onclick={ e => { e.preventDefault(); if (!canAccept()) return; this.hide(); accept(); } } />,
+                  <button type="button" class="btn btn-secondary"
+                    onclick={ () => { this.hide(); reject(); } }>Cancel</button>
+                ] }
+              </div>
+
+            </div>
+          </div>
+        </div>
+      </form>
+    );
+  }
+}
+
+WBDialog.defaultProps = {
+  title: 'Dialog',
+  accept: () => {},
+  reject: () => {},
+  canAccept: () => true
+};
+
+export default WBDialog;
diff --git a/frontend/src/js/widget/wb-navbar.js b/frontend/src/js/widget/wb-navbar.js
new file mode 100644
index 0000000..ccea039
--- /dev/null
+++ b/frontend/src/js/widget/wb-navbar.js
@@ -0,0 +1,122 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBNavbar extends Component {
+  render({ title, items, rhs, onItemClicked, onTitleClicked,
+    activeItem, titleUrl, getItemUrl }) {
+
+    return (
+      <nav class="navbar navbar-expand-lg navbar-light bg-light">
+        <a class="navbar-brand" href={ titleUrl } onclick={ e => this.titleClicked(e) }>{ title }</a>
+
+        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+          <span class="navbar-toggler-icon"></span>
+        </button>
+
+        <div class="collapse navbar-collapse" id="navbarSupportedContent">
+          <ul class="navbar-nav mr-auto">
+
+            { items.map(i => {
+              if (typeof(i) === 'string')
+                return (
+                  <li class="nav-item">
+                    <a class="nav-link" href="#">{ i }</a>
+                  </li>
+                );
+
+              else if (typeof(i) === 'object')
+                var li_cls = ['nav-item'];
+                if (i['active'] || activeItem === i['id'])
+                  li_cls.push('active');
+                var a_cls = ['nav-link'];
+                if (i['disabled'])
+                  a_cls.push('disabled');
+
+                if ('dropdown' in i) {
+                  li_cls.push('dropdown');
+                  a_cls.push('dropdown-toggle');
+
+                  li_cls = li_cls.join(' ');
+                  a_cls = a_cls.join(' ');
+
+                  return (
+                    <li class={ li_cls }>
+                      <a class={ a_cls } href="#" id={ i['name'].replace(' ', '-').toLowerCase() + '-dropdown' }
+                        role="button" data-toggle="dropdown" aria-haspopup="true"
+                        aria-expanded="false">{ i['name'] }</a>
+                      <div class="dropdown-menu" aria-labelledby={ i['name'].replace(' ', '-').toLowerCase() + '-dropdown' }>
+                        { i['dropdown'].map(d => {
+                          if (typeof(d) === 'string')
+                            return (
+                              <a class="dropdown-item" href={ getItemUrl(d) }
+                                onclick={ e => this.itemClicked(e, d) }>{ d }</a>
+                            );
+
+                          else if (typeof(d) === 'object' && d['divider'])
+                            return (
+                              <div class="dropdown-divider" />
+                            );
+
+                          else if (typeof(d) === 'object' && d['name'])
+                            return (
+                              <a class="dropdown-item" href={ getItemUrl(d) }
+                                onclick={ e => this.itemClicked(e, d) }>{ d['name'] }</a>
+                            );
+                        }) }
+                      </div>
+                    </li>
+                  );
+                } else {
+                  li_cls = li_cls.join(' ');
+                  a_cls = a_cls.join(' ');
+
+                  return (
+                    <li class={ li_cls }>
+                      <a class={ a_cls } href={ getItemUrl(i) }
+                        onclick={ e => this.itemClicked(e, i) }>{ i['name'] }</a>
+                    </li>
+                  );
+                }
+
+            }) }
+          </ul>
+
+          { rhs }
+        </div>
+      </nav>
+    );
+  }
+
+  titleClicked(e) {
+    let { onTitleClicked } = this.props;
+    if (!onTitleClicked)
+      return;
+    e.preventDefault();
+    onTitleClicked();
+  }
+
+  itemClicked(e, i) {
+    let { onItemClicked } = this.props;
+    if (!onItemClicked)
+      return;
+    e.preventDefault();
+    onItemClicked(i);
+  }
+}
+
+WBNavbar.defaultProps = {
+  'title': 'Workbench Advanced',
+  'items': [],
+  'form': null,
+  'activeItem': null,
+  'titleUrl': '#',
+  'getItemUrl': () => ('#')
+}
+
+export default WBNavbar;
diff --git a/frontend/src/js/widget/wb-pagination.js b/frontend/src/js/widget/wb-pagination.js
new file mode 100644
index 0000000..68692a4
--- /dev/null
+++ b/frontend/src/js/widget/wb-pagination.js
@@ -0,0 +1,91 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBPagination extends Component {
+  renderVisiblePages(numPages, activePage, chunkSize, onPageChanged, getPageUrl) {
+    let visible = {};
+
+    let begActChnk = activePage - Math.floor(chunkSize / 2);
+    let endActChnk = activePage + Math.floor(chunkSize / 2) + 1;
+    for (let i = Math.max(0, begActChnk); i < Math.min(numPages, endActChnk); i++)
+      visible[i] = true;
+
+    for (let i = 0; i < Math.min(numPages, chunkSize); i++)
+      visible[i] = true;
+
+    for (let i = Math.max(numPages - chunkSize, 0); i < numPages; i++)
+      visible[i] = true;
+
+    visible = Object.keys(visible).map(n => Number(n));
+    visible.sort((a, b) => (a - b));
+
+    let res = [];
+    let prev = 0;
+
+    res.push((
+      <li class={ activePage === 0 ? "page-item disabled" : "page-item" }>
+        <a class="page-link" href={ getPageUrl(activePage - 1) }
+          onclick={ e => this.changePage(e, activePage - 1) }>Previous</a>
+      </li>
+    ));
+
+    for (let idx = 0; idx < visible.length; idx++) {
+      let i = visible[idx];
+      let capturePrev = prev;
+      if (i > prev + 1)
+        res.push((
+          <li class="page-item">
+            <a class="page-link" href={ getPageUrl(Math.round((i + capturePrev) / 2)) }
+              onclick={ e => this.changePage(e, Math.round((i + capturePrev) / 2)) }>...</a>
+          </li>
+        ));
+      prev = i;
+
+      res.push((
+        <li class={ i === activePage ? "page-item active" : "page-item" }>
+          <a class="page-link" href={ getPageUrl(i) }
+            onclick={ e => this.changePage(e, i) }>{ i + 1 }</a>
+        </li>
+      ));
+    }
+
+    res.push((
+      <li class={ activePage >= numPages - 1 ? "page-item disabled" : "page-item" }>
+        <a class="page-link" href={ getPageUrl(activePage + 1) }
+          onclick={ e => this.changePage(e, activePage + 1) }>Next</a>
+      </li>
+    ));
+
+    return res;
+  }
+
+  changePage(e, pageIdx) {
+    if (this.props.onPageChanged) {
+      e.preventDefault();
+      this.props.onPageChanged(pageIdx);
+    }
+  }
+
+  render({ numPages, activePage, chunkSize, onPageChanged, getPageUrl }) {
+    return (
+      <nav aria-label="Pagination">
+        <ul class="pagination">
+          { this.renderVisiblePages(numPages, activePage, chunkSize, onPageChanged, getPageUrl) }
+        </ul>
+      </nav>
+    );
+  }
+}
+
+WBPagination.defaultProps = {
+  'chunkSize': 5,
+  'getPageUrl': () => ('#')
+};
+
+export default WBPagination;
diff --git a/frontend/src/js/widget/wb-select.js b/frontend/src/js/widget/wb-select.js
new file mode 100644
index 0000000..9ba0c33
--- /dev/null
+++ b/frontend/src/js/widget/wb-select.js
@@ -0,0 +1,26 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBSelect extends Component {
+  render({ value, options, onChange }) {
+    return (
+      <select class="form-control" onchange={ onChange }>
+        { options.map(o => {
+          const name = (typeof(o) === 'string') ? o : o.name;
+          const id = (typeof(o) === 'object') ? o.id : name;
+          return (
+            <option selected={ (value === id) } value={ id }>{ name }</option>
+          );
+        }) }
+      </select>
+    );
+  }
+}
+
+export default WBSelect;
diff --git a/frontend/src/js/widget/wb-table.js b/frontend/src/js/widget/wb-table.js
new file mode 100644
index 0000000..bb64ed3
--- /dev/null
+++ b/frontend/src/js/widget/wb-table.js
@@ -0,0 +1,41 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component } from 'preact';
+
+class WBTable extends Component {
+  render({ columns, rows, headerClasses, verticalHeader }) {
+    return (
+      <table class="table table-striped table-hover">
+        <thead class="thead-light">
+          <tr>
+            { columns.map((c, i) => <th class={ headerClasses[i] }>{ c }</th>) }
+          </tr>
+        </thead>
+        <tbody>
+          { rows.map(r => (
+            <tr>
+              { columns.map((_, idx) => (
+                (idx == 0 && verticalHeader) ? (
+                  <th scope="row">{ r[idx] }</th>
+                ) : (
+                  <td>{ r[idx] }</td>
+                )
+              )) }
+            </tr>
+          )) }
+        </tbody>
+      </table>
+    );
+  }
+}
+
+WBTable.defaultProps = {
+  'headerClasses': []
+};
+
+export default WBTable;
diff --git a/frontend/src/js/widget/wb-tabs.js b/frontend/src/js/widget/wb-tabs.js
new file mode 100644
index 0000000..ea9a5dd
--- /dev/null
+++ b/frontend/src/js/widget/wb-tabs.js
@@ -0,0 +1,55 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+import { h, Component, VNode } from 'preact';
+
+class WBTabs extends Component {
+  render({ tabs, onTabChanged }) {
+    return (
+      <ul class={ 'nav nav-tabs ' + this.props.class }>
+        { tabs.map((t, idx) => {
+          let name, isActive, isDisabled, onClick;
+
+          if (!t)
+            return null;
+
+          if (typeof(t) === 'object') {
+            name = t.name;
+            isActive = t.isActive;
+            isDisabled = t.isDisabled;
+            onClick = t.onClick;
+
+          } else if (typeof(t) === 'string') {
+            name = t;
+          }
+
+          let cls = ['nav-link'];
+          if (isActive)
+            cls.push('active');
+          if (isDisabled)
+            cls.push('disabled');
+          cls = cls.join(' ');
+          return (
+            <li class="nav-item">
+              <a class={ cls } href="#"
+                onclick={ e => { e.preventDefault();
+                  onClick ? onClick() : onTabChanged(t); } }>
+                { name }
+              </a>
+            </li>
+          );
+        }) }
+      </ul>
+    );
+  }
+}
+
+WBTabs.defaultProps = {
+  'onTabChanged': () => {}
+};
+
+export default WBTabs;
diff --git a/frontend/src/js/worker/wb-manifest-worker.js b/frontend/src/js/worker/wb-manifest-worker.js
new file mode 100644
index 0000000..cd99733
--- /dev/null
+++ b/frontend/src/js/worker/wb-manifest-worker.js
@@ -0,0 +1,193 @@
+//
+// Copyright (C) Stanislaw Adaszewski, 2020
+// Contact: s.adaszewski@gmail.com
+// Website: https://adared.ch/wba
+// License: GPLv3
+//
+
+const rx = /^[a-f0-9]{32}\+[0-9]+/;
+const rootDir = {};
+const streams = [];
+
+onmessage = function(e) {
+  switch (e.data[0]) {
+    case 'precreatePaths':
+      precreatePaths(e.data[1]);
+      postMessage([ 'precreatePathsResult' ]);
+      break;
+    case 'parseStream':
+      parseStream(e.data[1]);
+      postMessage([ 'parseStreamResult' ]);
+      break;
+    case 'listDirectory': {
+      const lst = listDirectory(rootDir, e.data[1], e.data[2]);
+      postMessage([ 'listDirectoryResult', lst ])
+      break; }
+    case 'getData':
+      postMessage([ 'getDataResult', rootDir, streams ]);
+      break;
+    case 'getFile':
+      postMessage([ 'getFileResult', getFile(rootDir, streams, e.data[1]) ]);
+      break;
+    default: {
+      const err = Error('Unknown verb: ' + e.data[0]);
+      postMessage([ 'error', err.message ]);
+      throw err; }
+  }
+}
+
+function precreatePaths(paths) {
+  for (let i = 0; i < paths.length; i++) {
+    mkpath(rootDir, paths[i]);
+  }
+}
+
+function parseStream(s) {
+  if (!s) return;
+
+  const tokens = s.split(' ');
+  const streamName = unescapeName(tokens[0]);
+
+  let n = tokens.map(t => rx.exec(t));
+  n = n.indexOf(null, 1);
+
+  let locators = tokens.slice(1, n);
+  let pos = 0;
+  locators = locators.map(loc => {
+    const sz = parseInt(loc.split('+')[1], 10);
+    return [ loc, pos, pos += sz ];
+  });
+
+  let fileTokens = tokens.slice(n);
+  let lastFile = null;
+  let lastPath = null;
+  fileTokens.map(t => {
+    let seg = t.split(':');
+    seg = [ parseInt(seg[0], 10), parseInt(seg[1], 10),
+      unescapeName(seg.slice(2).join(':')) ]
+    const path = streamName + '/' + seg[2];
+    let f;
+    if (path === lastPath) {
+      f = lastFile;
+    } else {
+      let dirName = path.split('/');
+      const name = dirName[dirName.length - 1];
+      dirName = dirName.slice(0, dirName.length - 1);
+      const d = mkpath(rootDir, dirName);
+      lastFile = f = makeFile(d, name);
+      lastPath = path;
+    }
+    appendFile(f, streams.length, seg);
+  });
+
+  streams.push(locators);
+}
+
+function mkdir(parent, name) {
+  if (name in parent && (parent[name] instanceof Array))
+    throw Error('File with the same name already exists');
+  if (name in parent)
+    return parent[name];
+  const dir = {};
+  parent[name] = dir;
+  return dir;
+}
+
+function mkpath(parent, path) {
+  if (typeof(path) === 'string')
+    path = path.split('/');
+  let dir = parent;
+  for (let i = 1; i < path.length; i++) {
+    dir = mkdir(dir, path[i]);
+  }
+  return dir;
+}
+
+function makeFile(dir, name) {
+  if (name in dir) {
+    if (!(dir[name] instanceof Array))
+      throw Error('Directory with the same name already exists');
+    return dir[name];
+  }
+  const f = [[], 0];
+  dir[name] = f;
+  return f;
+}
+
+function appendFile(f, sidx, seg) {
+  f[0].push([ sidx, seg[0], seg[1] ]);
+  f[1] += seg[1];
+  return f;
+}
+
+function unescapeName(name) {
+  return name.replace(/(\\\\|\\[0-9]{3})/g,
+    (_, $1) => ($1 === '\\\\' ? '\\' : String.fromCharCode(parseInt($1.substr(1), 8))));
+}
+
+function findDir(parent, path, lenient=false) {
+  if (typeof(path) === 'string')
+    path = path.split('/');
+  if (path[0] !== '.')
+    throw Error('Path must start with a dot (.)');
+  let dir = parent;
+  for (let i = 1; i < path.length; i++) {
+    if (!(path[i] in dir)) {
+      if (lenient)
+        return {};
+      else
+        throw Error('Directory not found');
+    }
+    dir = dir[path[i]];
+  }
+  return dir;
+}
+
+function listDirectory(rootDir, path, lenient=false) {
+  let dir = findDir(rootDir, path, lenient);
+  let keys = Object.keys(dir);
+  keys.sort();
+  let subdirs = keys.filter(k => !(dir[k] instanceof Array));
+  let files = keys.filter(k => (dir[k] instanceof Array));
+  let res = subdirs.map(k => [ 'd', k, null ]);
+  res = res.concat(files.map(k => [ 'f', k, dir[k][1] ]));
+  return res;
+}
+
+function getFile(rootDir, streams, path) {
+  if (typeof(path) === 'string')
+    path = path.split('/');
+
+  if (path.length < 2)
+    throw Error('Invalid file path');
+
+  const name = path[path.length - 1];
+
+  const dir = findDir(rootDir, path.slice(0, path.length - 1));
+
+  if (!(name in dir))
+    throw Error('File not found');
+
+  if (!(dir[name] instanceof Array))
+    throw Error('Path points to a directory not a file');
+
+  let file = dir[name];
+  file = [ file[0].map(seg => {
+    const stm = streams[seg[0]];
+    const used = stm.map(loc => !( loc[2] <= seg[1] || loc[1] >= seg[1] + seg[2] ) );
+    const start = used.indexOf(true);
+    const end = used.lastIndexOf(true) + 1;
+    if (start === -1)
+      return [];
+    const res = [];
+    for (let i = start; i < end; i++) {
+      const loc = stm[i];
+      res.push([ loc[0], Math.max(0, seg[1] - loc[1]),
+        Math.min(loc[2] - loc[1], seg[1] + seg[2] - loc[1]) ]);
+    }
+    return res;
+  }), file[1] ];
+  file[0] = file[0].reduce((a, b) => a.concat(b));
+
+  return file;
+}
diff --git a/frontend/tmux.sh b/frontend/tmux.sh
new file mode 100644
index 0000000..25855bf
--- /dev/null
+++ b/frontend/tmux.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+set -e
+
+function panetitle () {
+  printf "\033]2;%s\033\\" "$1";
+}
+
+export -f panetitle
+
+export TERM=putty
+
+source ${HOME}/workspace/ml/ml tmux-2.7.0
+
+tmux new-session -x 2000 -y 1200 -d "ml python2; cd ${HOME}/workspace/arvados-workbench-advanced/frontend/dist; panetitle https_server; /bin/bash --init-file <(echo \"python2 ../../backend/srv.py\")"
+
+tmux split-window -v "source ${HOME}/workspace/ml/ml nodejs-8.11.3; cd ${HOME}/workspace/arvados-workbench-advanced/frontend; panetitle npm_run_watch; /bin/bash --init-file <(echo \"npm run watch\")"
+
+tmux split-window -v "cd ${HOME}/workspace/arvados-workbench-advanced; panetitle project; /bin/bash"
+
+tmux select-layout even-vertical
+
+tmux attach
diff --git a/wbadvanced/__main__.py b/wbadvanced/__main__.py
new file mode 100755
index 0000000..3e4f2cc
--- /dev/null
+++ b/wbadvanced/__main__.py
@@ -0,0 +1,55 @@
+import dash
+import dash_bootstrap_components as dbc
+import dash_html_components as html
+import dash_core_components as dcc
+import socket
+import arvados
+import functools
+from .projects import list_projects_html
+from .collections import list_collections_html
+from .processes import list_processes_html
+
+
+# list_projects_html = functools.lru_cache(maxsize=128)(list_projects_html)
+# list_collections_html = functools.lru_cache(maxsize=128)(list_collections_html)
+# list_processes_html = functools.lru_cache(maxsize=128)(list_processes_html)
+
+
+def main():
+    app = dash.Dash(__name__, external_stylesheets=[dbc.themes.BOOTSTRAP])
+    arv = arvados.api('v1')
+
+    user = arv.users().current().execute()
+    # nav_btns = [ dbc.Button(a['name']) for a in projects ]
+
+    app.layout = html.Div([
+        dcc.Location(id='url', refresh=False),
+        html.Div(id='page-content')
+    ], style={ 'margin': '10px' })
+
+    projects_table = list_projects_html(arv, user['uuid'])
+    collections_table = list_collections_html(arv, user['uuid'])
+    processes_table = list_processes_html(arv, user['uuid'])
+
+
+    @app.callback(dash.dependencies.Output('page-content', 'children'),
+        [ dash.dependencies.Input('url', 'pathname') ])
+    def display_page(pathname):
+        print('display_page(), pathname:', pathname)
+        return html.Div([
+            dbc.Tabs([
+                dbc.Tab(projects_table, label="Projects",
+                    label_style={ 'cursor': 'pointer' })
+            ], style={ 'borderBottom': 'none' }),
+            dbc.Tabs([
+                dbc.Tab(collections_table, label="Collections",
+                    label_style={ 'cursor': 'pointer' }),
+                dbc.Tab(processes_table, label="Processes",
+                    label_style={ 'cursor': 'pointer' })
+            ], style={ 'borderBottom': 'none' })
+        ])
+
+    app.run_server(host=socket.getfqdn(), debug=False)
+
+
+main()
diff --git a/wbadvanced/collections.py b/wbadvanced/collections.py
new file mode 100755
index 0000000..5ba14f1
--- /dev/null
+++ b/wbadvanced/collections.py
@@ -0,0 +1,56 @@
+import dash_html_components as html
+import dash_bootstrap_components as dbc
+import humanize
+from .users import get_user
+
+
+def list_collections(arv, owner_uuid, limit=100):
+    res = arv.collections().list(where = {
+        'owner_uuid': owner_uuid
+    }, limit=limit).execute()
+    res = res['items']
+    #while res['items_available'] > len(res['items']):
+        #res = arv.collections().list(where = {})
+    return res
+
+
+def list_collections_html(arv, parent, limit=100):
+    projects = list_collections(arv, parent, limit=limit)
+
+    header = html.Tr([
+        html.Th('Name'),
+        html.Th('Description'),
+        html.Th('Owner'),
+        html.Th('Size')
+    ])
+    header = [ html.Thead(header) ]
+
+    rows = []
+    for a in projects:
+        owner = get_user(arv, a['owner_uuid'])
+        rows.append(
+            html.Tr([
+                html.Td([
+                    html.Div(html.A(href='/projects/' + a['uuid'],
+                        children=a['name'])),
+                    html.Div(a['uuid'])
+                ]),
+
+                html.Td(a['description'] or 'Modified at ' + a['modified_at']),
+
+                html.Td([
+                    html.Div(html.A(href='mailto:' + owner['email'],
+                        children=owner['first_name'] + ' ' + owner['last_name'])),
+                    html.Div(a['owner_uuid'])
+                ]),
+
+                html.Td(humanize.naturalsize(a['file_size_total']))
+            ]))
+    rows = [ html.Tbody(rows) ]
+
+    res = dbc.Table(header + rows,
+        striped=True,
+        hover=True,
+        responsive=True)
+
+    return res
diff --git a/wbadvanced/processes.py b/wbadvanced/processes.py
new file mode 100755
index 0000000..7c1b71b
--- /dev/null
+++ b/wbadvanced/processes.py
@@ -0,0 +1,49 @@
+import dash_bootstrap_components as dbc
+import dash_html_components as html
+from .users import get_user
+
+
+def list_processes(arv, parent, limit=100):
+    res = arv.container_requests().list(where={
+        'owner_uuid': parent
+    }, limit=100).execute()['items']
+    return res
+
+
+def list_processes_html(arv, parent, limit=100):
+    processes = list_processes(arv, parent, limit=limit)
+
+    header = html.Tr([
+        html.Th('Name'),
+        html.Th('Description'),
+        html.Th('Owner')
+    ])
+    header = [ html.Thead(header) ]
+
+    rows = []
+    for a in processes:
+        owner = get_user(arv, a['owner_uuid'])
+        rows.append(
+            html.Tr([
+                html.Td([
+                    html.Div(html.A(href='/processes/' + a['uuid'],
+                        children=a['name'])),
+                    html.Div(a['uuid'])
+                ]),
+
+                html.Td(a['description'] or 'Process'),
+
+                html.Td([
+                    html.Div(html.A(href='mailto:' + owner['email'],
+                        children=owner['first_name'] + ' ' + owner['last_name'])),
+                    html.Div(a['owner_uuid'])
+                ])
+            ]))
+    rows = [ html.Tbody(rows) ]
+
+    res = dbc.Table(header + rows,
+        striped=True,
+        hover=True,
+        responsive=True)
+
+    return res
diff --git a/wbadvanced/projects.py b/wbadvanced/projects.py
new file mode 100755
index 0000000..6adee71
--- /dev/null
+++ b/wbadvanced/projects.py
@@ -0,0 +1,51 @@
+import dash_bootstrap_components as dbc
+import dash_html_components as html
+import dash_core_components as dcc
+from .users import get_user
+
+
+def list_projects(arv, parent):
+    res = arv.groups().list(where={
+        'owner_uuid': parent,
+        'group_class': 'project'
+    }).execute()['items']
+    return res
+
+
+def list_projects_html(arv, parent):
+    projects = list_projects(arv, parent)
+
+    header = html.Tr([
+        html.Th('Name'),
+        html.Th('Description'),
+        html.Th('Owner')
+    ])
+    header = [ html.Thead(header) ]
+
+    rows = []
+    for a in projects:
+        owner = get_user(arv, a['owner_uuid'])
+        rows.append(
+            html.Tr([
+                html.Td([
+                    html.Div(dcc.Link(href='/projects/' + a['uuid'],
+                        children=a['name'])),
+                    html.Div(a['uuid'])
+                ]),
+
+                html.Td(a['description'] or 'Project'),
+
+                html.Td([
+                    html.Div(html.A(href='mailto:' + owner['email'],
+                        children=owner['first_name'] + ' ' + owner['last_name'])),
+                    html.Div(a['owner_uuid'])
+                ])
+            ]))
+    rows = [ html.Tbody(rows) ]
+
+    res = dbc.Table(header + rows,
+        striped=True,
+        hover=True,
+        responsive=True)
+
+    return res
diff --git a/wbadvanced/users.py b/wbadvanced/users.py
new file mode 100755
index 0000000..e3679c1
--- /dev/null
+++ b/wbadvanced/users.py
@@ -0,0 +1,6 @@
+import functools
+
+@functools.lru_cache(maxsize=128)
+def get_user(arv, uuid):
+    res = arv.users().get(uuid=uuid).execute()
+    return res