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.
de·caff Viewer - The de·caff Viewer version 3.
DXF View - A lightning-fast drawing viewer enables you to view DXF and DWG™ files on Mac
Free DWG Viewer - Free Viewer for DWG, DXF, DWF View AutoCAD DWG/DWF/DXF files View & measure DWG, DXF, DWF
eDrawings Viewer - View, print, and review all types of eDrawings files Built-in Viewer
ZWCAD Viewer - Cross-Platform .DWG | .DXF | .DWT R12-2013 Viewer