Extremely simple joystick rumble / vibration library
Python/Pygame Game-Building Framework
Create your own animated characters for games with ease!
Desktop application for movie/actor search and cataloging.
Game development toolkit
SuperWikia: The Runtime/Realtime Environment for Codesmiths
Simple and scalable 3d javascript game engine
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
minimalist UI library for HTML5 javascript
An open source skateboard games engine written in C# and .NET.
Pear3DEngine is a modern and modular 3D development framework
Access to Irrlicht Engine SDK from assembler, C, Python, Basic, Pascal
An extensible development framework for roleplay games.
Karaoke effects creation tool with ASS and Lua.
QuadTree JS is a library for game developers
Powerful html5 & javascript library for creating applications & games.
Investigo - DX9 Performance and Debugging Toolkit