Pear3DEngine is a modern and modular 3D development framework
AS3 Utilities library (Games Development Framework)
A cross-platform OpenGL based lightweight scenegraph library
A cross platform 3d c++ game engine
A DirectX based graphics/physics engine
The Lambda-Engine is a cross platform game engine.
C++ SDL/Box2d Programming
Make games with Lego-like building blocks
MOVED: http://github.com/wilkystyle/java2dphysicsengine
A small Game Engine project.