DupeChecker 

DupeChecker will show you all duplicated files and folders. You can delete them or move to another folder, so increasing a lot of useful disk space. Running this application once a month, you wiil see, that your system can work faster than now.
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MP3BookHelper 

Rapid Mp3 (ID3v1, ID3v2) and Ogg/Speex/Flac Vorbis tags editing and file renaming functions. Mass Tag editing is done using special variables and Regular Expressions. Import from TXT, XML, FreeDB. Undo and preview for all changes. Verify and create SFV/MD5/PAR.
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GeoWhere 

GeoWhere is a program containing multiple useful tools that will ease your internet experience. - It contains a desktop search engine that will send queries to multiple search engines and return the results to you.
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ABC-View Manager 

ABC-View Manager is a very fast and efficient image viewer and file manager. View thumbnails, build webpages, email photos, lossless rotate, find and delete duplicates, add descriptions, slide show, and much more. Try it for free 20 individual days.
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Check Identical Files 

This utility is able to check your drives for annoying duplicate files, and provides easy capability of deleting them, saving you megabytes of precious diskspace. An absolute must for people who have a huge number of files (e.g. pictures or mp3).
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