Compare software

Gapless vs Museeks: catalog facts
Gapless	Museeks
Free Free and open source under the GPLv3.	Free Free to download, with source code on GitHub.
Linux	Windows, macOS, Linux
Light and quick to start Modern GTK4 and libadwaita interface	Builds for Windows, macOS and Linux, including ARM Many Linux package formats including Flatpak and AppImage
Linux only Focused on playback rather than library management	Intentionally limited feature set Pre-1.0 version numbering
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
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 September 23, 2026

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