CADAM is the open source text-to-CAD web application
Free and open source pattern design software
a parametric 3D CAD modeler
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
CAD Application entire developed in Python
A Full PLM system based on odoo
PyAMS (Python for Analog and Mixed Signals) CAD approach
A 2D CAD application for civil engineering , built with Free Pascal
LibrePLM integrates CAD editors in Odoo / LibrERP
Software for calibration of hyperelastic constitutive models
Software for electromagnetic simulation
Open source 3D software based on opencascade(CAD)
A canvas library for generating technical drawings
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
OpenNum lets you distribute solvers with a nice graphical interface
Balances Chemical Equation
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.