Open Source MMORPG Framework
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Free and Open Game Programming Language for Windows and GNU/Linux
2D game engine for traditional platform games
Open Game Bootstrap
a game library to develop audio games
C++ Framework for slot machine games
A 3D, fully concurrent game engine
Kinect based controller.
3D game engine for C and C++
Pear3DEngine is a modern and modular 3D development framework
easy programming language for 2d games
Delphi-like IDE for cross-platform game development