A fun realistic multiplayer free-and-open-source first-person-shooter!
Full featured MUD server with all the trimmings.
Build Cross-platform Applications
Classic backgammon in fantasy setting with a lot of missions.
Pear3DEngine is a modern and modular 3D development framework
Classic Doom Frontend
The Java Chess Engine
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor