Hawken - Hawken is an Action, Free-to-play, FPS, Robots, Science-fiction, Tactical, Futuristic, MMO, Co-Op and Multiplayer video game created and published by Reloaded Games.
Baïkal - Cal and CardDAV server
Quake III Arena - Quake III Arena is an Action-Adventure, First-person Shooter, Single and Multiplayer video game developed by id Software and published by Sega.
SOGo - SOGo is groupware server with a focus on scalability and open standards.
Dead Space - Dead Space is a survival horror third-person shooter video game for Microsoft Windows, PlayStation...
Xandikos - Lightweight CalDAV/CardDAV server on top of Git.