Ink/Stitch: an Inkscape extension for machine embroidery design
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free and open source pattern design software
CAD Application entire developed in Python
EPA SWMM editor with 2D overland flow, 1D-2D coupling and sewer design
DSpice: Design and Simulation of Circuits using Spice
Software for electromagnetic simulation
An easy and flexible mathematical programming environment for Python.
Linux tiny CAD for educational purposes
Open Knowledge on engineering development.
This plugin exports G-Code for a wirecutter
A designer’s program for describing parts of the building