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: 63560 - Shareware - Download Now

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: 74710 - 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: 80861 - Shareware - Download Now

Gmagon Gif is the best GIF to APNG converter for Mac. It helps users convert GIF files to animated PNG on Mac easily with very good quality.
Downloads: 113543 - Shareware - Download Now

A full featured PDF to DXF converter that allows you to easy convert PDF to DXF and PDF to DWG without the need of AutoCAD. DXF compatible with any popular CAD systems, such as AutoCAD, IntellCad, etc.
Downloads: 95023 - Shareware - Download Now