Download Free CAD Software: A9CAD and CADStd

A9CAD is the free CAD software offered by A9Tech Inc. The company offers two versions the Pro version for which you have to pay and free version which is the lite version of the software and is available freely. CADStd is another free CAD software, but with limited features. There are two versions of CADStd: lite and Pro. The lite version if available freely, while the Pro version costs $37.5. In both the versions you can create some important elements of the drawing like circle, arcs, arrows, splines, lines, polylines, linear dimensions, text and others. With the free version you can also export the drawings in DXF format and share them with others.