Map Generation Application and API
A graphical NBT editor for all Minecraft NBT data sources
Create symmetric sprites: browse, save to PC, or store online
GameWizzard is a Sprite editor.
3D world editor for game development
A GUI Level Editor for the Enigma Game
KPEdit - A 2D skeletal animation editor.
A 3D scene editor for Ogre in Purebasic
Java3D Scene Creator
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor
This code has been moved to GitHub