A CAD application for creating virtual LEGO models
a parametric 3D CAD modeler
Beginner-friendly CAD software available for both web and desktop.
A math-inspired CAD program in haskell. CSG, bevels, and shells
very good CAD software
Static and Dynamic Structural Analysis of 2D and 3D frames.
converts between IGES file and text file
CAD Application entire developed in Python
OpenNum lets you distribute solvers with a nice graphical interface