TL:DR; Orange Photo Editor is an easy-to-use program that allows you to view, manage and publish photos on your website.
Download Orange Photo Editor Freeware - Rating: 4.31
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.
PDF to DWG is a powerful windows program that will help you convert your PDF files to usable and editable DXF/DWG files quickly and easily. You can import DXF files into AutoCAD and save them as DWG format.
Convert AFP (IBM MO:DCA, IOCA and PTOCA) to searchable PDF in batch while maintaining all document objects such as graphics, searchable text, tables and live forms, uniquely within generated PDF for easy access by Adobe Reader or other PDF viewer.