Free and open source pattern design software
Open-Source Shoemaking
Simple Road Design and Earthworks
Cross-platform Open-source 2D CAD
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
Demonstrates a quadtree for spatial indexing of triangles
Design your own pottery for 3D printing in full color
Free multiphysics simulation software package
An Open source Analysis and SImulation Toolbox for Fuel Cells
A package for Isogeometric Analysis in Octave and Matlab
Cuts 3D objects from polystyrene foam (EPS/XPS)