Cross Platform GUI Toolkit
Growth-grammar related Interactive Modelling Platform
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
KPEdit - A 2D skeletal animation editor.
A GUI Level Editor for the Enigma Game
A 3D scene editor for Ogre in Purebasic
Java3D Scene Creator
Vector based drawing software designed for RPGs
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor