Autocad 2009 -portable Edition- !new!
Autodesk has moved entirely to a subscription model (SaaS). AutoCAD 2009 used a perpetual license (a one-time purchase). While the portable edition is legally grey (more on that later), it appeals to hobbyists or freelancers who refuse to pay a monthly fee for occasional use.
Despite being a modified version, the Portable Edition retained the core kernel of AutoCAD 2009. This meant it supported the DWG 2009 file format, which introduced improvements in the way drawing data was handled. It offered better 3D modeling capabilities than the 2007 version and better annotation scaling than the 2004 version, striking a perfect balance for many users. AutoCAD 2009 -Portable Edition-
NanoCAD 5.0 (classic version) uses a familiar interface and reads/writes .dwg files natively. It is fully legal and can be installed portably using "PortableApps.com" launchers. Autodesk has moved entirely to a subscription model (SaaS)