A project that has moved to GitHub
Support for legacy OpenGL in core profiles
3D Engine c++
Doing 3D with Tcl
C++ Frontend for the RenderMan Interface
C++ header-only library that simulates GLSL math
Growth-grammar related Interactive Modelling Platform
Tao3D is a programming language for real-time interactive 3D
free implementation of the OpenGL Character Renderer
3D .NET engine for Windows, Linux, Mac
Get as many FPS as you need and amazing effects by rendering HTML/CSS
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Pear3DEngine is a modern and modular 3D development framework