A software tool and database that enables a user to view information, on the one hand, pertaining to hardware and software product inventory and usage, and, on the other hand, to license agreement information in such way that the two sets of information are correlated and associated. The tool presents inventory and usage information based on agreement criteria and/or agreement information based on inventory and usage criteria in an integrated fashion that permits the user to switch from one kind of information to the other kind in a variety of convenient ways. The main functional blocks of the software tool include a data acquisition tool, a reconciliation and association tool, and a processing/display/output tool.