NetBom

The NetBom tool from CadEnhance concisely documents the differences between revisions of Net Lists and Bills Of Materials (BOMs) of a PCB board design.

It also produces Human Readable BOMs and helpful hyperlinked NetLists

NetLists From Many of the Major EDA  Designer Tool are supported:

NetBom Now supports Orcad Capture DSN files directly so the User can produce NetLists/BOMs and see the differences between 2 DSN files.