A program that can be used to generate normal maps from images .
Simple 3D viewer
Real-time 3D visualization of space
Pear3DEngine is a modern and modular 3D development framework
Minimalist 3D Scenegraph Management Framework
https://github.com/horde3d/Horde3D
PNNL Waterfall Visualization Tool
Multi-Language Wrapper Collection for the Irrlicht Engine
loadmd2_chung is a dll to load 3D md2 models into openGL
Bruno's RAY Tracing Engine
Obsolete: use https://github.com/VMML/vmmlib