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Flatpak vs GNU Guix: catalog facts
Flatpak	GNU Guix
Free The open-source project is available without a license fee.	Free Free software from the GNU Project with no paid tier.
Linux	Linux, Command line
Sandboxed by default with permissions you can inspect and narrow One package works across distributions through shared runtimes	Reproducible shell environments, containers and systems Per-user package management without superuser privileges
Runtimes are large, so the first few applications cost a lot of disk Sandbox escapes through broad filesystem permissions are common in practice	Configuration requires learning Guile Scheme Only free software is packaged, so some proprietary drivers and apps are not included
Downloadable app	Downloadable app, Operating system
Open source	Open source
License: LGPL-2.1	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 23, 2026

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