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Gapless vs Nova Music: catalog facts
Gapless	Nova Music
Free Free and open source under the GPLv3.	Free Free and open source under the GPL-2.0-or-later licence.
Linux	Linux
Light and quick to start Modern GTK4 and libadwaita interface	Native look on the COSMIC desktop Available on Flathub and the AUR
Linux only Focused on playback rather than library management	Still a work in progress Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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