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.
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.
DXF View - A lightning-fast drawing viewer enables you to view DXF and DWG™ files on Mac
de·caff Viewer - The de·caff Viewer version 3.
Free DWG Viewer - Free Viewer for DWG, DXF, DWF View AutoCAD DWG/DWF/DXF files View & measure DWG, DXF, DWF
DDS-CAD Viewer - DDS-CAD Viewer is an easy-to-use and simple software solution that allows you to upload the files in various formats such as DWG, etc, and view the detail of file material by using its navigation features or tools.