pymol - PyMOL is a powerful and comprehensive molecular visualization product for rendering and animating...
SEA3D - An open-source format and tools for game developers 🎮 http://sunag.github.io/sea3d/
BioBlender - BioBlender is a software package built on the open-source 3D modeling software ...
open3mod - A free, Open-Source 3D Viewer designed to make it all easier. Massive 3D Format support
Jmol - Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry...
noesis - Rich Whitehouse's project web site.