Run Windows applications on any computer.
Build Cross-platform Applications
Chess Database Application
A Smarter Way to Tag FLAC, Vorbis, Lyrics, WMA, WavPack, and ID3 Tags
IL-2 Sturmovik 1946 Executable Memory Management Enhancer
An open source controller for Scalextric community
2D ARPG Engine
Advanced rhythm game for Windows, Linux and OS X
Single-player space fighter simulation game
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Single-/multi-player card game Mau Mau (similar to UNO®)
Mahasona engine is an open source game engine.
This project has move to GitHub (https://github.com/TinyMUSH/)
SA:MP server administration filterscript
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
The Model Railroad System can help you run your railroad.
Positional Audio Communication for Minecraft with Mumble
a game library to develop audio games
2D physics engine for games