diff --git a/extension/content/collections.xul b/extension/content/collections.xul
new file mode 100644
index 0000000..9b2848a
--- /dev/null
+++ b/extension/content/collections.xul
@@ -0,0 +1,80 @@
+<?xml version="1.0"?>
+
+<!-- ***** BEGIN LICENSE BLOCK *****
+   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
+   -
+   - The contents of this file are subject to the Mozilla Public License Version
+   - 1.1 (the "License"); you may not use this file except in compliance with
+   - the License. You may obtain a copy of the License at
+   - http://www.mozilla.org/MPL/
+   -
+   - Software distributed under the License is distributed on an "AS IS" basis,
+   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+   - for the specific language governing rights and limitations under the
+   - License.
+   -
+   - The Original Code is SourcesView.
+   -
+   - The Initial Developer of the Original Code is Mozilla.
+   - Portions created by the Initial Developer are Copyright (C) 2008
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -   Myk Melez <myk@mozilla.org> (original author)
+   -
+   - Alternatively, the contents of this file may be used under the terms of
+   - either the GNU General Public License Version 2 or later (the "GPL"), or
+   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+   - in which case the provisions of the GPL or the LGPL are applicable instead
+   - of those above. If you wish to allow use of your version of this file only
+   - under the terms of either the GPL or the LGPL, and not to allow others to
+   - use your version of this file under the terms of the MPL, indicate your
+   - decision by deleting the provisions above and replace them with the notice
+   - and other provisions required by the LGPL or the GPL. If you do not delete
+   - the provisions above, a recipient may use your version of this file under
+   - the terms of any one of the MPL, the GPL or the LGPL.
+   -
+   - ***** END LICENSE BLOCK ***** -->
+
+<?xml-stylesheet href="chrome://snowl/content/collections.css" type"text/css"?>
+
+<overlay xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+  <script type="application/x-javascript" src="chrome://snowl/content/collections.js"/>
+
+  <vbox id="collectionsViewBox">
+    <toolbar>
+      <!-- FIXME: Note in credits that silk icons licensed
+         - from http://www.famfamfam.com/lab/icons/silk/
+         - under http://creativecommons.org/licenses/by/2.5/ -->
+      <toolbarbutton id="snowlSubscribeButton"
+                     image="chrome://snowl/content/icons/add.png"
+                     oncommand="SourcesView.subscribe()"/>
+      <toolbarbutton id="snowlUnsubscribeButton"
+                     image="chrome://snowl/content/icons/delete.png"
+                     oncommand="SourcesView.unsubscribe()"/>
+      <toolbarbutton id="snowlRefreshButton"
+                     image="chrome://snowl/content/icons/arrow_refresh_small.png"
+                     oncommand="SnowlService.refreshAllSources()"/>
+      <!-- FIXME: Note in credits that OPML icon licensed from opmlicons.com
+         - under http://creativecommons.org/licenses/by-sa/2.5/ -->
+      <toolbarbutton id="snowlExportOPMLButton"
+                     image="chrome://snowl/content/icons/opml-icon-16x16.png"
+                     oncommand="SourcesView.exportOPML()"/>
+    </toolbar>
+  
+    <tree id="sourcesView" flex="1" context="sourcesContextMenu" editable="true"
+          onselect="SourcesView.onSelect(event)">
+      <treecols>
+        <treecol id="nameCol" label="Name" primary="true" flex="1"/>
+      </treecols>
+  
+      <treechildren flex="1"/>
+    </tree>
+  
+    <menupopup id="sourcesContextMenu">
+      <menuitem label="Unsubscribe" oncommand="SourcesView.unsubscribe(event)"/>
+    </menupopup>
+  </vbox>
+
+</overlay>
diff --git a/extension/content/sidebar.js b/extension/content/sidebar.js
new file mode 100644
index 0000000..aa53e18
--- /dev/null
+++ b/extension/content/sidebar.js
@@ -0,0 +1,18 @@
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+let gBrowserWindow = window.QueryInterface(Ci.nsIInterfaceRequestor).
+                     getInterface(Ci.nsIWebNavigation).
+                     QueryInterface(Ci.nsIDocShellTreeItem).
+                     rootTreeItem.
+                     QueryInterface(Ci.nsIInterfaceRequestor).
+                     getInterface(Ci.nsIDOMWindow);
+
+let gMessageViewWindow = window.QueryInterface(Ci.nsIInterfaceRequestor).
+                         getInterface(Ci.nsIWebNavigation).
+                         QueryInterface(Ci.nsIDocShellTreeItem).
+                         rootTreeItem.
+                         QueryInterface(Ci.nsIInterfaceRequestor).
+                         getInterface(Ci.nsIDOMWindow);