Convert Ren'Py visual novels into a format your ebook-reader knows
Little game background framework in java.
A very small multi-platform game engine for creating desktop games.
An open source skateboard games engine written in C# and .NET.
An extensible development framework for roleplay games.
Pear3DEngine is a modern and modular 3D development framework
Open Source Virtual World and MMOG Development Platform
Phobos editor is a generic resource editing system.
DiaT is a Textadventure
C++ Game programming Framework
QuadTree JS is a library for game developers
cross-platform 2d game engine
A game engine in java for 2D strategy games
big map framework using Irrlicht
Java game engine for shoot 'em ups, using Java2D.
CLM for Joomla! 1.5 + 2.5
Powerful html5 & javascript library for creating applications & games.
Cross-platform reimplementation of AMOS BASIC (runtime)
The classic intelligent role playing game