FreeCAD，一个免费的3D CAD建模软件，
A convenient gathering of useful and well-developed FreeCAD plugins made by the community.
Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
Cheap DIY lab system for hobbyists and the tinkering folk
Fully open source configurable high speed CoreXY 3D printer.
MX compatible low profile ergonomic keycaps
Backpack-style addon boards for the Flipper Zero!
Generate Parametric Gridfinity Bins and Baseplates in FreeCAD and build from them.
A list of the various code-cad projects out there.
Computional Fluid Dynamics (CFD) for FreeCAD based on OpenFOAM and Fenics solver
A JupyterLab extension for collaborative 3D geometry modeling
Ebook: Module developer's guide to FreeCAD 's source code