DWG FastView - DWG FastView for Windows is a lightweight dwg/dxf drawing viewer and editor produced by Gstarsoft, no need of dwg format conversion, vector graph magnified without distortion and full compatible with AutoCAD DWG/DXF.
ODA Viewer - ODA Viewer is a web-based software solution that allows you to view the files based on ODA format and you can easily zoom the file for detail visualization.
de·caff Viewer - The de·caff Viewer version 3.
Easy CAD Viewer - Easy CAD Viewer is a web-based and complete software that allows you to view the files which are created by AutoCAD and you can view the files quickly in the absence of AutoCAD.
Free DWG Viewer - Free Viewer for DWG, DXF, DWF View AutoCAD DWG/DWF/DXF files View & measure DWG, DXF, DWF
DXF View - A lightning-fast drawing viewer enables you to view DXF and DWG™ files on Mac