< CAD
CAD rendszerek
QCAD
http://www.qcad.org/
FreeCAD
http://sourceforge.net/projects/free-cad/
http://free-cad.sourceforge.net
http://www.freecadweb.org/
VariCAD
http://varicad.com
Medusa
http://www.cad-schroer.com/index.php?ziel=Products-MEDUSA
gCAD3D
http://www.gcad3d.org
LibreCAD
http://librecad.org/
Egyéb linkek
http://ubuntu.hu/node/2657
http://www.linuxlinks.com/Software/Graphics/CAD/