a parametric 3D CAD modeler
A python parametric CAD scripting framework based on OCCT
The programmer's solid 3D CAD modeller
Link branch FreeCAD
A CAD application for creating virtual LEGO models
A math-inspired CAD program in haskell. CSG, bevels, and shells
Physics Simulation Made Easy" (Fully Integrated FEA, FEniCS
Examples and demos for the pythonocc CAD package
CAD Draw, CAD Control, printing, C/C++,.NET Source Codes
Fronend CAD flow for IP creation, QC, IP Packaging and HandOff
Cross-platform Open-source 2D CAD
Virtual Satellite
Model Railway CAD program
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
An interactive viewer for three-dimensional chemical structures.
A Cross Platform and Open Source Electronics Design Automation Suite
Free and open source pattern design software
KiCad EDA Suite in PortableApps.com format
Open-Source Multiphysics FEA (FEM) Package
A Full PLM system based on odoo
Draw vector graphics to scale using a descriptive language
LibrePLM integrates CAD editors in Odoo / LibrERP
An EnergyPlus shell for parametric studies and more ...