3D reconstruction software
A python parametric CAD scripting framework based on OCCT
The interactive graphing library for Python
3D Engine with Blender Integration
A python module for scientific analysis of 3D data
a parametric 3D CAD modeler
Import your PCB boards to FreeCAD
PyMOL is an OpenGL based molecular visualization system
A designer’s program for describing parts of the building
Labcoat; the VHDL graphic emulator.