Feb 25, 2017 · The Allegro provides a nice tool that is integrated in it - It is called Design Compare. Let us say you have two designs x.brd and y.brd. What you do is - open the x.brd file and then goto Toos -> Design Compare Once you do that you can see an XML file that basically will have netlist and Package List. Using OrCAD Capture and PCB Editor Free Viewer, a design team can access read-only versions of all design files created in OrCAD Capture and PCB Editor. Using the Capture Free Viewer, you can open a project, schematic design, or library. Increase efficiency—Use intuitive tools to measure, mark up, and review designs on the desktop.