1)   HatchKit 2.5
Draw patterns from scratch, open existing pattern files or import DXF or HPGL. Save to AutoCAD, LT, Revit, IntelliCAD, DataCAD, MegaCAD, MicroStation V8, TurboCAD, VersaCAD, SolidWorks and other formats ...

 2)   I C CAD 1.1.0
This is the simple, fast CAD viewer you have been looking for. Works with AutoCAD (.DWG) and Microstation (.DGN) files. When you are ready to buy, unlock the trial from within the program. Quick and easy!

 3)   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.