Doing 3D with Tcl
Open Source Solid Modeling CAD
C++ header-only library that simulates GLSL math
realistic driving simulation + functions for 2D/3D graphics
Xj3D is an open-source Java codebase for the X3D Graphics standard.
CIRT - CUDA Interactive Ray Tracer
3D Without Boundaries
A real time 3D graphics engine written in C++
3D Charts - Templates for PovRay(TM)
A processing system for 3D triangular meshes