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
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
The FAS plugin for the upcoming systems modeling standard SysML v2
Python GUI tool for estimating plant CAPEX, OPEX, and profitability
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
Python script for calculation of deflection of elastic ropes.
Software for electromagnetic simulation
Python tool for section property evaluation and stress calculation
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