MusicBrainz Picard -

Picard is the next generation MusicBrainz tagging application. This new tagging concept is album oriented, as opposed to track/file oriented like the ClassicTagger was. Picard is written in Python, which is a cross-platform language, and makes use of cross-platform libraries -...

Puddletag -

Puddletag is an audio tag editor (primarily created for) GNU/Linux similar to Mp3tag and Kid3. Unlike most taggers, it uses a spreadsheet-like layout so that all the tags you want to edit by hand are visible and easily editable.