A generic 2D engine for any kind of game
a game library to develop audio games
3D Game engine
TurboSphere is an easy to learn and powerful JS based game engine.
C++ Framework for slot machine games
Kinect based controller.
A 3D, fully concurrent game engine
A game development kit for Sifteo Cubes.
Extremely simple joystick rumble / vibration library
3D game engine for C and C++
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
Pear3DEngine is a modern and modular 3D development framework
Phobos editor is a generic resource editing system.
cross-platform 2d game engine
Cross-platform reimplementation of AMOS BASIC (runtime)
Investigo - DX9 Performance and Debugging Toolkit
Multi-Language Wrapper Collection for the Irrlicht Engine
A C++ library for programmers transitioning from "Game Maker Language"
A cross-platform OpenGL based lightweight scenegraph library