DWG to PDF Converter Pro is a batch converter that allows you to convert DWG to PDF, and DXF to PDF without the need of AutoCAD. The Pro version supports command line.
Downloads: 43357 - Shareware - Download Now

AutoCAD Converter is a batch converter that allows you to convert AutoCAD DWG to PDF, DXF to PDF without the need of AutoCAD.
Downloads: 55315 - Shareware - Download Now

DWG to PDF Converter is a batch converter that allows you to convert DWG to PDF, DXF to PDF without the need of AutoCAD.
Downloads: 49772 - Shareware - Download Now

Converts HTML documents to simple text files, by removing all HTML tags and formatting the text according to your preferences.
Downloads: 81597 - Freeware - Download Now

It is a powerful windows program that will help you convert your PDF files to usable and editable DXF files quickly and easily, so you can recover the entities in PDF to corresponding DWG entities easily.
Downloads: 74871 - Shareware - Download Now