Open Source Solid Modeling CAD
a parametric 3D CAD modeler
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
An HTML5 saveAs() FileSaver implementation
A python parametric CAD scripting framework based on OCCT
A math-inspired CAD program in haskell. CSG, bevels, and shells
Examples and demos for the pythonocc CAD package
Sort-of parametric modelling CAD
Cross-platform Open-source 2D CAD
Projects in CAD/CAM/CNC.
Model Railway CAD program
Virtual Satellite
An interactive viewer for three-dimensional chemical structures.
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
A Cross Platform and Open Source Electronics Design Automation Suite
Free and open source pattern design software
Open-Source Multiphysics FEA (FEM) Package
A Full PLM system based on odoo
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
Static and Dynamic Structural Analysis of 2D and 3D frames.
Convert any image to gerber and drill files
Open source Matlab code for nonlinear isogeometric analysis