Virtual Volumes View - VVV uses a relational database to store its data.
SearchMyFiles - Alternative to the standard Search For Files And Folders module of Windows. Duplicates search is also supported.
Gentibus CD - The software will assist you to quickly find and categorize your files on your computer disks.
SMF – Search my Files - SMF - Search my Files v13 is the fastest duplicate files finder and a multi-dimensional - file searcher, - file copier / mover, - file deleter / eraser, - and
GWhere - GWhere is a catalog manager which allows to maintain a database of yours CDs and other removables media.
DocFetcher - DocFetcher is a portable German/English open source desktop search application.