Orx: Data-Driven Game Engine
TX Library is a tiny graphics library for Win32 written in C++.
JavaScript framework to build game engines, games, emulators and apps
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Generate ready-to-use disc images for your Sega Dreamcast system !
Open Game Bootstrap
Gives agents personality, moods, emotions and emotional attachments.
Cross platform Game Creation Software
A generic 2D engine for any kind of game
TurboSphere is an easy to learn and powerful JS based game engine.
Open Source Virtual World and MMOG Development Platform
Cross-platform reimplementation of AMOS BASIC (runtime)
CM Game Development Kit