Ink/Stitch: an Inkscape extension for machine embroidery design
a parametric 3D CAD modeler
A Full PLM system based on odoo
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free and open source pattern design software
PyAMS (Python for Analog and Mixed Signals) CAD approach
CAD Application entire developed in Python
EPA SWMM editor with 2D overland flow, 1D-2D coupling and sewer design
AxisFlow is a precision drawing assistant for FreeCAD
LibrePLM integrates CAD editors in Odoo / LibrERP
DSpice: Design and Simulation of Circuits using Spice
Software for calibration of hyperelastic constitutive models
Software for electromagnetic simulation
Open source 3D software based on opencascade(CAD)
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
OpenNum lets you distribute solvers with a nice graphical interface
Precise gear geometry generator for spur and helical gears
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