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kew vs mpg123: catalog facts
kew	mpg123
Free Free and open source.	Free Free software under the LGPL 2.1.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Runs entirely in the terminal Plays local files privately with no account	Lightweight console MP3 playback Runtime-selected assembly optimizations for x86, x86-64 and ARM
Terminal interface may not suit everyone Audio only	Command-line only, no graphical interface Focused on MPEG audio rather than every audio format
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: LGPL-2.1-only
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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