DWG TrueView 2009: Free Autodesk program to view and plot DWG, DXF and DWF files
DWG TrueView: Free application for viewing and plotting DWG and DXF files.
It will help you recover broken, damaged, or corrupted Photoshop documents.
Comprehensive Adobe PDF repair tool.
It's a tool to repair DWG files and recover data from them.