progeCAD Smart 2009 is a limited version of progeCAD . It is free for private, non-commercial use only. You need to register the software to continue using it after 30 days. Of course registration is totally free.
This software can:
read and write Autodesk AutoCAD DWG files from 2.5 to 2009 has industry standard AutoCAD Commands has AutoCAD Menu, Script, Font Compatibility has AutoLISP Compatibility! has Basic Rendering Options has Express Tools export to PDF and JPG 11 000 standard symbols and blocks available for free