Enhanced Steam is a Mozilla Firefox browser addon. This is the open-source development repository.
You can install this yourself by compiling this repository into an XPI file and installing it in Firefox.
Enhanced Steam is Copyright 2012-2014 Jason Shackles. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. A copy of the GNU General Public License can be found at http://www.gnu.org/licenses/.