PHIGS (Programmer's Hierarchical Interactive Graphics System)
a java based software to convert 2D to 3D images.
Gimpel3D - 2D/3D Stereo Conversion Editor
Pear3DEngine is a modern and modular 3D development framework
Minimalist 3D Scenegraph Management Framework
Collections of abstractions for Pure Data
PNNL Waterfall Visualization Tool
Multi-Language Wrapper Collection for the Irrlicht Engine
loadmd2_chung is a dll to load 3D md2 models into openGL
diagrammatic 3D in a web browser using SVG
Volume Rendering library in Java
A simple web interface for Blender, for rendering animations..