The DWG Diff Drawing Differencing Tool Software from WireCAD is a Windows application that can display the differences and commonalities between two drawings. It can output files to DWG, DXF, and PDF format. The software is compatible with Windows 2000, XP, Vista, and 7, and features full support for 32-bit and 64-bit environments.
Compares all drawing entities in the selected drawing space, including models and layout
Compares all other drawing structures such as: Layers, Blocks, Text Styles, Layouts, etc...
Compares DWG drawings from R12 to 2007
Comparative output can be saved as DWG, DFX, or PDF