It’s available at Mozilla Add-ons site as well

https://addons.mozilla.org/firefox/addon/6566

Source available at http://foxiewirex.googlecode.com/svn/trunk/

FoxieWire (http://www.foxiewire.com/) is a community driven news portal dedicated to bringing you the best from the world of Mozilla. Community run site that provides daily news stories on all of Mozilla’s products and projects. FoxieWire is a Spread Firefox project (http://www.spreadfirefox.com/).