Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
MusicBrainz Picard - Official website for MusicBrainz Picard, a cross-platform music tagger written in Python.Downloads · MusicBrainz Blog · Picard 2.
Skip Tunes - Control iTunes, Spotify, or Rdio from your Mac's menubar
Mp3tag - Mp3tag is a powerful and easy-to-use tool to edit metadata of audio files. DownloadDownload Mp3tag, a powerful and easy-to-use tool to edit .
Plaaying - Share, control, and keep on Plaaying music on your Mac.
EasyTAG - EasyTAG is a utility for viewing and editing tags.