FreeCAD，一个免费的3D CAD建模软件，
A python parametric CAD scripting framework based on OCCT
Chili3D 是一个基于浏览器的 3D CAD 应用，用于在线模型设计和编辑。
3D CAD viewer and converter based on Qt + OpenCascade
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.
CadQuery GUI editor based on PyQT
Port of the OpenCascade CAD library to JavaScript and WebAssembly via Emscripten.
The library to build browser based 3D models with code.
build BREP Solids with OpenCascade and NodeJS - 3D Modeling
A list of the various code-cad projects out there.
The TiGL Geometry Library to process aircraft geometries in pre-design.
The emscripten interface for OpenCascade import functionalities.
A JupyterLab extension for collaborative 3D geometry modeling
Monorepo for 3D algorithms of Bitbybit platform, which helps programming geometry on the browser. Use with ThreeJS, BabylonJS, build your own core integration or execute algorithms in NodeJS.
A python library of CadQuery tools and helpers for building 3D CAD models.