A CAD application for creating virtual LEGO models
An open source harness for generating CAD models
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
A 2D CAD application for civil engineering , built with Free Pascal
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
A math-inspired CAD program in haskell. CSG, bevels, and shells
Free 3D Mobile CAD
Open Knowledge on engineering development.
A package for Isogeometric Analysis in Octave and Matlab