1)   progeCAD 2006 Professional 8.0.18
ProgeCAD IntelliCAD natively reads and writes AutoCAD DWG files, no need for conversion! Industry standard AutoCAD Commands. AutoCAD Menu, Script, Font Compatibility, AutoLISP Compatibility! Advanced Rendering Options, 3D ACIS Solid Modeling.

 2)   ProgeCAD DWG Viewer 8.0.18
AutoCAD DWG drawing viewer with markup, plotting, rendering, PDF output! High precision measuring, zoom. pan, all the features you need to review your AutoCAD drawings and output them to paper. Easy to use,

 3)   progeSOFT IntellCAD 6 6.1.11
progeCAD IntelliCAD Includes AutoCAD DWG files, the files you work with everyday! Industry standard AutoCAD Commands. AutoCAD Menu, Script, Font Compatibility, AutoLISP Compatibility! Advanced Rendering Options, 3D ACIS Solid Modeling. Raster Images

 4)   progeARC 2006 6.0.10
Architectural Software 2D/3D for ProgeCAD 2006 and AutoCAD® 2000,2000i,2002. ProgeSOFT has created ProgeARC to improve productivity, reduce costs, and enhance quality through all phases of architectural design and documentation.

 5)   progeCAD Smart IntelliCAD 8.0.18
progeCAD 2008 Smart!, powered by the most recent IntelliCAD engine, is derived directly from the professional versions of progeCAD, and maintains all the base functionality of its outstanding parents in a set of installation that is compact.

 6)   ZwCAD 2008i
ZWCAD 2008i is a Reliable and cost-effective CAD solution! It is highly compatible with AutoCAD. With its powerful drafting features, ZWCAD 2008i can help the users to create professional CAD drawings and let their design more effective.

 7)   progeCAD 2007 Standard 8.0.18
ProgeCAD IntelliCAD natively reads and writes AutoCAD DWG files, no need for conversion! Industry standard AutoCAD Commands. AutoCAD Menu, Script, Font Compatibility, AutoLISP Compatibility!

 8)   GStarICAD 2008 Professional 2008
GStarICAD is the geniune low cost CAD drawing software based on IntelliCAD,and it is 99% idential to AutoCAD,and it is compatible with AutoCAD.GStarICAD offers a 30days free tryout after free download this software