a parametric 3D CAD modeler
Virtual Satellite
Free and open source pattern design software
Um simples software de navegação 3D, desenvolvido em Java.
conducteö - logiciel de calcul des ponts thermiques linéiques
An EnergyPlus shell for parametric studies and more ...
very good CAD software
Solve Alignment of Road , Rail,Tunnel
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Open-Source Shoemaking
Software for electromagnetic simulation
Cross-platform Open-source 2D CAD
2D CAD software
Static and Dynamic Structural Analysis of 2D and 3D frames.
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
CAD Application entire developed in Python
A canvas library for generating technical drawings
Free CAD software
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
OpenNum lets you distribute solvers with a nice graphical interface