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beets vs puddletag: catalog facts
beets	puddletag
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source.
Windows, macOS, Linux, Command line	Linux
Matches and improves music metadata during imports.	Spreadsheet view shows all tags for many files at once Tag-from-filename and rename-from-tag patterns
Setup and everyday commands assume comfort with a terminal.	Built primarily for Linux Lacks some features found in Mp3tag
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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