A Windows utility for converting DWF files to DWG format.
DWG TrueView 2009: Free Autodesk program to view and plot DWG, DXF and DWF files
DWG TrueView 2008: Autodesk free apllication to view and plot DWG and DXF.
DWG TrueView: Free application for viewing and plotting DWG and DXF files.
With Earth Pilot you can fly free handedly and without a pilot's license.