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MusicBrainz Picard vs Ear Tag: catalog facts
MusicBrainz Picard	Ear Tag
Free Free and open source under the GPL, maintained by the non-profit MetaBrainz Foundation.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Linux
AcoustID fingerprinting identifies files from the audio itself, even with no tags at all Album-oriented matching produces consistent tags across a whole release	Simple interface for editing tags Native GNOME app
Needs an internet connection; it is a front end to an online database The album-first workflow is awkward for loose singles and compilations	Linux only Fewer bulk features than larger tag editors
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.