Java3d scenegraph editor
An interactive viewer for three-dimensional chemical structures.
Doing 3D with Tcl
realistic driving simulation + functions for 2D/3D graphics
C++ header-only library that simulates GLSL math
3D .NET engine for Windows, Linux, Mac
Pear3DEngine is a modern and modular 3D development framework
https://github.com/horde3d/Horde3D
Collections of abstractions for Pure Data
Multi-Language Wrapper Collection for the Irrlicht Engine
Game engine supporting many 3D/2D formats and graphic effects
A simple web interface for Blender, for rendering animations..