RPG Maker 2000/2003 and EasyRPG games interpreter
Desktop/Android/HTML5/iOS Java game development framework
Doom-based AI research platform for reinforcement learning
Cooperative multiplayer graphical RPG and adventure game
A Smarter Way to Tag FLAC, Vorbis, Lyrics, WMA, WavPack, and ID3 Tags
Toolkit for the easy prototyping of hybrid games for Tabletop Devices
An OpenSource (C# .NET) TeamPlay Environment.