SharePoint Discussion Column from SharePointBoost is a custom column to record users' discussion when they edit the item. The SharePoint discussion thread can be listed in chronological order with discussion contents and discussants' names.
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.
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.