freecad
0.21.1 | 0.21 | 0.20.2 | 0.20.1 | 0.20 | 0.19.4
https://www.freecadweb.org/
https://wiki.freecad.org/Feature_list#Release_notes
https://github.com/FreeCAD/FreeCAD/issues
An open-source parametric 3D modeler x86_64
Freeware