A CAD application for creating virtual LEGO models
CADAM is the open source text-to-CAD web application
A math-inspired CAD program in haskell. CSG, bevels, and shells
Software for electromagnetic simulation
Cross-platform Open-source 2D CAD
A canvas library for generating technical drawings
Free multiphysics simulation software package
This plugin exports G-Code for a wirecutter
A package for Isogeometric Analysis in Octave and Matlab
NURBS-based elastic and limit analysis of masonry arches in MATLAB
A finite element data exchange system
Open Source CAD
Free, open-source PDF takeoff for construction and flooring estimating