Open-Source Shoemaking
Free and open source pattern design software
a parametric 3D CAD modeler
conducteö - logiciel de calcul des ponts thermiques linéiques
Simple Road Design and Earthworks
LibrePLM integrates CAD editors in Odoo / LibrERP
Cross-platform Open-source 2D CAD
Open-Source Multiphysics FEA (FEM) Package
Demonstrates a quadtree for spatial indexing of triangles
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
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
ALST is a CAD for all imaginable logic systems (binary, ternary, etc)
Cuts 3D objects from polystyrene foam (EPS/XPS)