Avogadro libraries provide 3D rendering, visualization, and analysis
A React renderer for Three.js
Open Source Solid Modeling CAD
Interactive 3D Layout Viewer for GDSII
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
A real time global illumination solution that achieves glossy surfaces
CSG for jMonkey
Highly accurate ray-tracing software system for UNIX computers
3D .NET engine for Windows, Linux, Mac
Support for jgeom, the java geometry graphics library using NURBS