AutoDesk AutoCAD/Architectural Desktop

AutoCAD is one of the most used CAD programs in North America. That is why many other CAD programs are essentially clones of it or at least have the ability to open AutoCAD's .dwg drawing file type and then save it back in the same format.

AutoCAD's high ability to do 3D Design is one of it's better features.

Architectural Desktop user interface

For doing high qualtity drafting AutoCAD gets the job done for it's low price.