A free 3D game engine to create games and realtimes scenes for Windows
Game engine supporting many 3D/2D formats and graphic effects
Reusable code for building video games with Jogamp NEWT
CSG for jMonkey
Lego Island 2 Game Editor
3D .NET engine for Windows, Linux, Mac
Mahasona engine is an open source game engine.
This pack add's custom object and rides into your "RCT3 Platinum" game
3D Interactive sandbox environment
Scriptable frontend for media applications.
3D world editor for game development