Open Source Solid Modeling CAD
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
LDraw™ editor for LEGO® style digital building instructions.
C++ header-only library that simulates GLSL math
Design your own pottery for 3D printing in full color
A tool that uses OpenCL to procedurally generate 3D models
3D rendering and scene graph library (moved to GitHub)
Gphoton in a simple 3d modeler and ray tracer.
Simple voxel raycasting engine in SFML with multithreading support
3D render software animation
sauerbraten with LuaJit2 scripting
Gimpel3D - 2D/3D Stereo Conversion Editor
Pear3DEngine is a modern and modular 3D development framework
PixelLight is a cross-platform application framework
osGraphX is a 3D file viewer based on openscenegraph.