C++ header-only library that simulates GLSL math
rayshade and POV for Mathematica Export + view
Rayshade raytracer
Lightweight and modular C++11 graphics middleware for data and games
Gphoton in a simple 3d modeler and ray tracer.
A public domain cross platform 3D game
rayshade 4.0.6 linux patch
Free vector,quaternion,matrix math library
A 3D rendering / entity engine
Obsolete: use https://github.com/VMML/vmmlib
Quick project: Phong, Gouraud, Flat shading program (wire-frame also)