OpenGL Mathematics (GLM)
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
3D Graphics by a Lightweight Open-Source Software
rayshade and POV for Mathematica Export + view
Growth-grammar related Interactive Modelling Platform
A raytracer that tries to combine simplicity with power.
A really simple (following K.I.S.S statement) ray tracing project.
A raytracing framework for optical/non-optical physics simulations