DevConv can convert files among DXF-DWG-DXB formats, taking care of the preferred version. Managed version from R9 to R2007. This is a stand-alone utility, AutoCAD is NOT required. Easy to use interface, but also command line available to run it in silent...

CtrlView

CtrlView 3.30

CtrlView is a viewer/converter for different 2D/3D raster/vector file formats with the format recognition system. It means that CtrlView analyzes content of the file and defines its format. If file format is among supported file types, CtrlView will...

DWGgateway is a free AutoCAD download for AutoCAD users who do not want to upgrade to the latest version of AutoCAD, but who wish to continue to exchange DWG files with partners, customers and suppliers that use different versions of the AutoCAD DWG file...