a parametric 3D CAD modeler
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
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
Open Source Solid Modeling CAD
Cross-platform Open-source 2D CAD
Model Railway CAD program
Virtual Satellite
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
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
Draw vector graphics to scale using a descriptive language
CAD Application entire developed in Python
Draw curves, colored 2D maps with CAD capabilities
CAD
2D CAD software
CFDTool - Easy to Use Fluid Dynamics (CFD) MATLAB Toolbox