Top 3 occt open source projects

OCCT
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE. This is a clone of the official repository located on https://dev.opencascade.org/. Please use official development portal for registering issues and providing patches.
Macad3D
Free and OpenSource 3D Construction Tool
pywrap
C++ binding generator based on libclang and pybind11
1-3 of 3 occt projects