CADAM is the open source text-to-CAD web application
A CAD application for creating virtual LEGO models
Open-Source Shoemaking
Virtual Satellite
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
a parametric 3D CAD modeler
An EnergyPlus shell for parametric studies and more ...
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free and open source pattern design software
A Cross Platform and Open Source Electronics Design Automation Suite
conducteö - logiciel de calcul des ponts thermiques linéiques
very good CAD software
Solve Alignment of Road , Rail,Tunnel
GDSread reads and converts Calma GDS stream files .
A math-inspired CAD program in haskell. CSG, bevels, and shells
Software for electromagnetic simulation
Cross-platform Open-source 2D CAD
This is a project, where I give you a way to use SOLIDWORKS on Linux
Open source Matlab code for nonlinear isogeometric analysis
Static and Dynamic Structural Analysis of 2D and 3D frames.