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Sound Center vs Rhythmbox: catalog facts
Sound Center	Rhythmbox
Free Free and open source under GPL 3.0 or later.	Free Free and open source under the GPL v2.0 or later.
Linux, Android	Linux
Local music and podcasts in one player Podcast search and streaming built in	Library management, podcasts and internet radio in one app Fits the GNOME desktop
Small project with few contributors Feature set is simpler than dedicated podcast apps	Built for Linux desktops, with no official Windows or macOS build Project page gives little detail on features
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-2.0-or-later
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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