The Zoo Design Studio app
A browser-based 3D CAD application for online model design
Industrial design files for Keychron keyboards and mice
Examples and demos for the pythonocc CAD package
A canvas library for generating technical drawings
OpenNum lets you distribute solvers with a nice graphical interface
Electronic design and programming tools suite like Eagle, MpLab
C library to read DWG files.
An Open source Analysis and SImulation Toolbox for Fuel Cells
A package for Isogeometric Analysis in Octave and Matlab
library to read dwg & read/write dxf files
Constructive solid geometry on meshes using BSP trees in JavaScript