TL:DR; DWG DXF to PDF Converter allows you to convert your dwg to pdf, and dxf to pdf in batches.
DWG DXF to PDF Converter allows you to convert your dwg to pdf, and dxf to pdf in batches.
OverCAD Dwg Compare allows you to finds differences between versions of AutoCAD drawings and displays them graphically.
Cutting Optimization Pro is a computer program used for obtaining optimal cutting layouts for one (1D) and two (2D) dimensional pieces. The software also lets you to define and handle complex products, such as table, desk, cupboard, locker, etc.
Raster to Vector converts scanned drawings, maps and raster images (such as BMP, JPG, TIF, GIF, etc) into vector formats (such as DXF, HPGL, EMF, etc). You can scan old plans, archive drawings, or even photos and convert them into useful CAD data.