Open source HTML5 game framework that offers WebGL and Canvas
Open source library for creative expression on the web, desktop, etc.
Gideros Release version
JavaScript framework to build game engines, games, emulators and apps
Game engine supporting many 3D/2D formats and graphic effects
Arianne is an engine to develop multiplayer online games like Stendhal
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
2D game engine for traditional platform games
Open Game Bootstrap
This pack add's custom object and rides into your "RCT3 Platinum" game
Create your own animated characters for games with ease!
Pear3DEngine is a modern and modular 3D development framework