1)   Amethyst CADwizz MAX 3
Amethyst CADwizz MAX enables you to quickly and easily view and print AutoCAD DWG and DXF files. You can view and convert files to a variety of file formats, add redline annotations to drawings, and create hand-drawn effects.
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 2)   Explorer View - File Viewer 3.10
Preview file fast from within Windows Explorer. ExplorerView is an add on feature to Microsofts Windows Explorer that allows a full instant preview of documents, picutres, movies and graphics from a window within Windows Explorer.
Windows Explorer, File viewing software, PDF viewer, CAD viewer,

 3)   Amethyst DWG-2-Image 2
Amethyst DWG-2-Image is a powerful Windows program that enables you to quickly and easily batch convert drawings to a variety of image file formats. Includes a CAD viewer.
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 4)   Amethyst CADwizz LE 3
Amethyst CADwizz LE enables you to quickly and easily view and print AutoCAD DWG and DXF files.
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