Cross-platform Open-source 2D CAD
OpenNum lets you distribute solvers with a nice graphical interface
Parallel finite element analysis
A designer’s program for describing parts of the building
Simple CAD program
T.H.O.R.I.U.M. - Thermooptic radiation iterative universal module.
dedalo is a 2d cad drawing software written in python3.
Drawing robot for electrical interconnection diagrams in DXF.