DWG to DWF Converter allows you to convert DWG to DWF, DXF to DWF without the need of AutoCAD.
Downloads: 107668 - Shareware - Download Now

Selection, calculation and check of rolling bearings (inch versions). Application supports Imperial and Metric units, is based on SKF, ISO, ANSI, SAE standards and support many 2D and 3D CAD systems
Downloads: 89175 - 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: 89290 - Shareware - Download Now

It allows you to merge multiple PDF documents in a group in any sequence to make single organized PDF. It can also split a multi-page PDF file into as many PDFs as needed with any number of pages.
Downloads: 93822 - Freeware - Download Now

Batch TIFF Toolkit which allows you to resize, merge, extract, delete pages from multipage TIFF documents. An invaluable tool for those who works with TIFF files. Comes in Native 32 Bit and 64 Bit Version
Downloads: 118356 - Shareware - Download Now