DWG to DXF Converter Pro is a batch DWG and DXF bi-directional 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. The Pro version supports command line.
Downloads: 45535 - Shareware - Download Now

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.
Downloads: 33905 - Shareware - Download Now

AutoCAD to PDF Converter batch converts AutoCAD DWG/DXF file to PDF without the need of AutoCAD.
Downloads: 10349 - Shareware - Download Now

DWG to JPG Converter Pro is a batch converter that allows you to convert DWG and DXF files to JPG (JPEG), BMP, TIF (TIFF), GIF, PNG, TGA, PCX, WMF and EMF without the need of AutoCAD. The Pro version supports command line.
Downloads: 35468 - Shareware - Download Now

PDF to AutoCAD Converter is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.
Downloads: 39925 - Shareware - Download Now