Avogadro libraries provide 3D rendering, visualization, and analysis
Efficient glTF 3D import / export package for Unity
A python module for scientific analysis of 3D data
An interactive viewer for three-dimensional chemical structures.
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
Viewer and exporter for Unreal Engine 1-4 assets
Lightweight and modular C++11 graphics middleware for data and games
3D rendering and scene graph library (moved to GitHub)
Functy is a 3D graph drawing package that generates immediate results.
3D .NET engine for Windows, Linux, Mac
rayshade 4.0.6 linux patch
A really simple (following K.I.S.S statement) ray tracing project.
3D File format viewer/explorer
Pear3DEngine is a modern and modular 3D development framework