Enables Roblox developers to use professional software tools
Open game and rendering engine packed into a JavaScript framework
Real Time Strategy game engine supporting early Westwood classics
Open Source MMORPG Framework
Gideros Release version
ThinkPHP Framework
Arianne is an engine to develop multiplayer online games like Stendhal
Game engine supporting many 3D/2D formats and graphic effects
An isometric arcade-style game of skill, puzzles and exploration
SDL based generic 2D game engine
INSTEAD - Simple Text Adventure Interpreter.
PyCAPGE - Python Classic Adventure Point and Click Game Engine
OgreWin3D
Molecular viewer and prototyping framework
Utility for viewing ZX Spectrum emulator snapshot files.
German Extension for Inform 7
Updated emulator of Forgotten Realms: Unlimited Adventures
Java Settlers
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Quake PAK file utility
Cinema Enters Game Console