A CAD application for creating virtual LEGO models
CADAM is the open source text-to-CAD web application
Open-Source Shoemaking
a parametric 3D CAD modeler
Virtual Satellite
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
Free software for maps
A Full PLM system based on odoo
An EnergyPlus shell for parametric studies and more ...
Simple Road Design and Earthworks
very good CAD software
RHT-LA : Applicatif Tracé Ligne Aérienne HT
PyAMS (Python for Analog and Mixed Signals) CAD approach
Solve Alignment of Road , Rail,Tunnel
LibrePLM integrates CAD editors in Odoo / LibrERP
Launcher for nanoCAD 5.0, automatically close welcome screen
3D/2D Concrete Reinforcement in Bentley MicroStation
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java