4TOPS Compare Excel Files 

This easy to use program that clearly reports where and what the differences are. Features: - Differences in HTML Analysis report and Visualization reports are hyperlinked - Can be used as part of an automated process using API (ActiveX)
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Monitapp - Computer Inventory 

MonitApp is an asset management tool which use WMI to retrieve information about hardware and software configuration from remote computers and store it onto an Excel file. It also detects changes and registers into same Excel File as history sheet
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