Global Agenda: Free Agent - Global Agenda: Free Agent is an Action Role-playing, Massively Multiplayer, Third-person Shooter, Futuristic video game developed and published by Hi-Rez Studios.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
War Inc. Battlezone - War Inc.
Anchor CMS - Free and lightweight blogging system
S4 League - S4 League is a marvelous video game created by Panavision and published by Aeria Games.
Textpattern - Textpattern is an elegant content management system that is free, open source software.