A python parametric CAD scripting framework based on OCCT
A 3D CAD running entirely in the browser
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.
CadQuery GUI editor based on PyQT
Yi3D: an open-source parametric 3D CAD application built in c++.
Local-first, open-source mechanical CAD