JavaScript 3D library
Avogadro libraries provide 3D rendering, visualization, and analysis
Open Source Solid Modeling CAD
An interactive viewer for three-dimensional chemical structures.
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
LDraw™ editor for LEGO® style digital building instructions.
Interactive 3D Layout Viewer for GDSII
C++ header-only library that simulates GLSL math
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
realistic driving simulation + functions for 2D/3D graphics
Python 3D renderer with wireless display support
STL Viewer for java
3D rendering and scene graph library (moved to GitHub)
3D Software Renderer in 700 Lines
Tiny but powerful single file wavefront obj loader
Gimpel3D - 2D/3D Stereo Conversion Editor
Pear3DEngine is a modern and modular 3D development framework