Imprudence is an open source metaverse viewer project.
A program that can be used to generate normal maps from images .
Simple 3D viewer
Pear3DEngine is a modern and modular 3D development framework
Real-time 3D visualization of space
Minimalist 3D Scenegraph Management Framework
A Lightweighted Toolkit For Volume Rendering
https://github.com/horde3d/Horde3D
A continuation of the abandoned Tao Framework project.
Collections of abstractions for Pure Data