ID3 renamer 

If you need to rename a large number of files in a directory accordingly to their ID3 description and a given "formula" (e.g. (%Track) %Artist - %Title). You can also fill ID3 tag with some smart functions.
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MP3Detective 

Powerful PC search program for MP3 music. Simultaneouly searches multiple drives and directories. Default jukebox plays results. Create sorted Text or HTML lists of all MP3's. Includes a Favorites list, color schemes, Tag file editor. Brilliant.
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123Tag 

123Tag is an easy-to-use MP3 Tag editor and renamer. ID3v1 and ID3v2 Tag. Filename from tag. Tag from filename. Personal order of file and automatic numbering. Search by names or embedded Tags. Export data to CSV file. MP3 player. En-mass operations
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Mp3Baser 

useful browser (processing subdirectories, adding playlists); tag editor (ID3v2 support); write/change tags for all listed files; create Excel, ASCII tables, playlists, annotations; rename files using tag fields; searching text in tags
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Mp3 File Editor 

Mp3 tag editor, file renamer, playlist maker, wav converter, organizer and player in one.
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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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