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..e69de29
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..e69de29
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..ff84e28
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog-project-list.js
@@ -0,0 +1,82 @@
+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 = [];
+  }
+
+  componentDidMount() {
+    this.fetchRows();
+  }
+
+  componentWillReceiveProps(nextProps) {
+    this.props = nextProps;
+    this.setState({
+      'page': 0
+    });
+    this.fetchRows();
+  }
+
+  changePage(page) {
+    this.setState({
+      'page': page
+    });
+    this.fetchRows();
+  }
+
+  prepareRows(items) {
+    return items.map(it => [
+      it.name,
+      it.file_count,
+      it.file_size_total
+    ]);
+  }
+
+  fetchRows() {
+    const { arvHost, arvToken } = this.props.app.state;
+    const { textSearch, itemsPerPage } = this.props;
+    const ownerUuid = ('ownerUuid' in this.state ?
+      this.state.ownerUuid : this.props.ownerUuid);
+    const { page } = this.state;
+    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));
+    prom = prom.then(xhr => {
+      this.setState({
+        'rows': this.prepareRows(xhr.response.items),
+        'numPages': xhr.response.items_available / itemsPerPage
+      });
+    });
+  }
+
+  render({ app }, { ownerUuid, textSearch, page, numPages, rows }) {
+    return (
+      <div>
+        <WBTable columns={ ['Name', 'File Count', 'Size'] }
+          rows={ rows } />
+
+        <WBPagination numPages={ numPages } activePage={ page }
+          onPageChanged={ i => this.changePage(i) } />
+      </div>
+    );
+  }
+}
+
+WBBrowseDialogProjectList.defaultProps = {
+  'itemsPerPage': 5
+};
+
+export default WBBrowseDialogProjectList;
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..647c9ad
--- /dev/null
+++ b/frontend/src/js/dialog/wb-browse-dialog.js
@@ -0,0 +1,60 @@
+import { h, Component } from 'preact';
+import WBBrowseDialogProjectList from 'wb-browse-dialog-project-list';
+import WBBrowseDialogCollectionList from 'wb-browse-dialog-project-list';
+
+class WBBrowseDialog extends Component {
+  render({ app, id }, { mode }) {
+    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">
+              <button class="btn btn-sm btn-outline-primary">Back</button>
+
+              <input class="form-control" type="search" placeholder="Search" />
+
+              <div class="input-group mb-3">
+                <div class="input-group-prepend">
+                  <button class="btn btn-outline-secondary" type="button">Back</button>
+                </div>
+
+                <input type="text" class="form-control" placeholder="Search"
+                  aria-label="Search" />
+
+                <div class="input-group-append">
+                  <button class="btn btn-outline-primary" type="button">Search</button>
+                </div>
+              </div>
+
+              <h5>Projects</h5>
+              <WBBrowseDialogProjectList app={ app } />
+
+              { mode === 'collection-content' ? (
+                <h5>Content</h5>
+              ) : (
+                <div>
+                  <h5>Collections</h5>
+                  <WBBrowseDialogCollectionList app={ app } />
+                </div>
+              ) }
+            </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/page/wb-launch-workflow-page.js b/frontend/src/js/page/wb-launch-workflow-page.js
index fdc9713..e71fcc4 100644
--- a/frontend/src/js/page/wb-launch-workflow-page.js
+++ b/frontend/src/js/page/wb-launch-workflow-page.js
@@ -2,6 +2,7 @@ import { h, Component, createRef } from 'preact';
 import WBNavbarCommon from 'wb-navbar-common';
 import WBArvadosCrumbs from 'wb-arvados-crumbs';
 import WBToolboxDialog from 'wb-toolbox-dialog';
+import WBBrowseDialog from 'wb-browse-dialog';
 import makeArvadosRequest from 'make-arvados-request';
 import linkState from 'linkstate';
 
@@ -58,6 +59,7 @@ class WBLaunchWorkflowPage extends Component {
     this.state.browseDialogId = uuid.v4();
     this.state.insertDialogId = uuid.v4();
     this.state.insertManyDialogId = uuid.v4();
+    this.state.realBrowseDialogId = uuid.v4();
     this.inputsTextArea = createRef();
   }
 
@@ -82,7 +84,7 @@ class WBLaunchWorkflowPage extends Component {
     defaultProcessName, defaultProcessDescription,
     inputsFunctionText, browseDialogId,
     insertDialogId, insertManyDialogId,
-    inputsPreview }) {
+    realBrowseDialogId, inputsPreview }) {
 
     return (
       <div>
@@ -108,6 +110,8 @@ class WBLaunchWorkflowPage extends Component {
           items={ app.state.toolboxItems } selectMany={ true }
           onAccepted={ values => alert(values) } />
 
+        <WBBrowseDialog app={ app } id={ realBrowseDialogId } />
+
         { workflow ?
           (<form class="container-fluid">
             <h1>Launch Workflow</h1>
@@ -171,6 +175,11 @@ class WBLaunchWorkflowPage extends Component {
                     e.preventDefault();
                     $('#' + insertManyDialogId).modal();
                   } }>Insert Many</button>
+
+                  <button class="btn btn-primary mr-2" onclick={ e => {
+                    e.preventDefault();
+                    $('#' + realBrowseDialogId).modal();
+                  } }>Insert Browse</button>
                 </div>
 
                 <textarea class="form-control" ref={ this.inputsTextArea } id="inputs"