Gideros Release version
Arianne is an engine to develop multiplayer online games like Stendhal
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Mahasona engine is an open source game engine.
XNA based game engine completely written in c#
Java Gamepad API for multiple platforms
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A lightweight HTML5 Game Engine
Powerful html5 & javascript library for creating applications & games.
Investigo - DX9 Performance and Debugging Toolkit
Game framework on top of Python, Panda3D and Twisted
Make games with Lego-like building blocks