PDF to CAD Converter is a powerful windows program that will help you convert your PDF files to usable and editable DXF files quickly and easily. You can import DXF files into CAD and save them as DWG format.
DWG Converter is a batch DWG converter that allows you to convert DWG to DXF, DXF to DWG without the need of AutoCAD. It is also an AutoCAD drawing file version converter.