Open Source Solid Modeling CAD
Virtual Satellite
An EnergyPlus shell for parametric studies and more ...
An interactive viewer for three-dimensional chemical structures.
Create and edit LDraw™ parts quick and easy.
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Draw vector graphics to scale using a descriptive language
CAD application for Technical Drawing exercises
Secondary glazing for sash windows
The full-featured, easy-to-use desktop GIS with real processing power!
COPanno optimizes the panels cuts.
An open source controller for Scalextric community
APP for control a manual mill and obtain a CNC Mill
openCDT is a conceptual design tool for aircraft design