A CAD application for creating virtual LEGO models
a parametric 3D CAD modeler
Cross-platform Open-source 2D CAD
Free and open source pattern design software
very good CAD software
CAD Application entire developed in Python
Free CAD software
Free 3D Mobile CAD
Free multiphysics simulation software package
Open Knowledge on engineering development.
A package for Isogeometric Analysis in Octave and Matlab
Free, Browser-Based HTML5 CAD App
A finite element data exchange system