3D reconstruction software
Avogadro libraries provide 3D rendering, visualization, and analysis
A modern library for 3D data processing
A python module for scientific analysis of 3D data
The open-asset-importer-library repository
Vivid3D is a C++ IDE/3D engine, with python scripting.
Scanning Probe Microscopy Controller and Data Visualization Software
Advanced Render Manager
A world editor for HGE game engine written in python and uses OpenGL.
Multibool function is slow ;)