dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
MusicBrainz Picard - Official website for MusicBrainz Picard, a cross-platform music tagger written in Python.Downloads · MusicBrainz Blog · Picard 2.
Rdfind - Rdfind is a program that finds duplicate files.
TagScanner - TagScanner is a multifunction program for organizing and managing your music collection.
FSlint - FSlint is a utility to find and clean various forms of lint on a filesystem. I.E.
Kid3 - If you want to easily tag multiple MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Opus, Speex, TrueAudio, WavPack, WMA, WAV and AIFF files (e.