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
A Cross Platform and Open Source Electronics Design Automation Suite
Free and open source pattern design software
conducteö - logiciel de calcul des ponts thermiques linéiques
An EnergyPlus shell for parametric studies and more ...
A Full PLM system based on odoo
RHT-LA : Applicatif Tracé Ligne Aérienne HT
Free software for maps
Simple Road Design and Earthworks
very good CAD software
Solve Alignment of Road , Rail,Tunnel
3D/2D Concrete Reinforcement in Bentley MicroStation
Launcher for nanoCAD 5.0, automatically close welcome screen
PyAMS (Python for Analog and Mixed Signals) CAD approach
LibrePLM integrates CAD editors in Odoo / LibrERP
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java