Plotting multiple dwg files software: AutoCAD DWG drawing viewer with markup, A Multipurpose AutoCAD Batch Plot Utility, Convert DWG DXF files without AutoCAD and more.
dwgPlotX is an AutoCAD batch plot tool with a simple windows explorer style inteface to select files and folders. It automatically scans plotters and papers available in the system. It loads all the xrefs of a drawing before plotting. In addition to plotting/printing, it can also bulk replace strings and export dwg files to various formats .( AutoCAD is required for operation).