Active DWG DXF Converter let you batch convert DWG Files into DXF files and vice versa without AutoCAD. It is also a AutoCAD drawing file version converter, supports both low to high and high to low conversion. Active DWG DXF Converter Supports version from AutoCAD R3 to latest version AutoCAD 2005.
) "Active DWG DXF Converter - Click to enlarge screenshot")