Autodesk DWF Writer

Autodesk DWF Writer screenshots

It allows converting various file formats to DWF and DWFx files
Autodesk DWF Writer 3.5 : Advanced

Alternative downloads

Autodesk Design Review 2012
An open, published, and secure file format developed by Autodesk.
DWF to DWG Converter
DWF to DWG Converter, help you convert dwf to editable dwg file.
Autodesk DirectConnect 2010 R1
Autodesk DirectConnect lets you import and export CAD data.