a parametric 3D CAD modeler
Virtual Satellite
Solve Alignment of Road , Rail,Tunnel
Cross-platform Open-source 2D CAD
A canvas library for generating technical drawings
Free CAD software
CAD 2D for Land Surveying and Civil
A designer’s program for describing parts of the building
A finite element data exchange system
Stavařská nadstavba pro AutoCAD a IntelliCAD.
Open Source CAD