A CAD application for creating virtual LEGO models
Electric Design Tool
Free and open source pattern design software
Simple Road Design and Earthworks
Any tools for CIMCO Software (mostly CIMCO Edit), CIMCO Edit crack
very good CAD software
Open-Source Shoemaking
A math-inspired CAD program in haskell. CSG, bevels, and shells
Open source 3D software based on opencascade(CAD)
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
Design your own pottery for 3D printing in full color
CT Soft is software designed to be used with Control Techniques Drives
Open Knowledge on engineering development.
A package for Isogeometric Analysis in Octave and Matlab