big map framework using Irrlicht
CLM for Joomla! 1.5 + 2.5
Powerful html5 & javascript library for creating applications & games.
Java game engine for shoot 'em ups, using Java2D.
The classic intelligent role playing game
An HTML web game platform
AS3 Utilities library (Games Development Framework)
Create your own online real-time browser-based MMO in your website
Sourceport of the classic Descent Level Editor
A cross platform 3d c++ game engine
Game framework on top of Python, Panda3D and Twisted
The Lambda-Engine is a cross platform game engine.
Ragnarok Cliente nativo para Gnu/Linux