Picard supports all popular music formats, including MP3, FLAC, OGG, M4A, WMA, WAV, and more.
Picard uses AcoustID audio fingerprints, allowing files to be identified by the actual music, even if they have no metadata.
Picard can lookup entire music CDs with a click.
Picard is licensed under GPL 2.0 or later, and is hosted on GitHub where it’s actively developed by some awesome developers.
If you need a particular feature, you can choose from a selection of available plugins or write your own.
MusicBrainz Picard