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GNU Guix vs Flatpak: catalog facts
GNU Guix	Flatpak
Free Free software from the GNU Project with no paid tier.	Free The open-source project is available without a license fee.
Linux, Command line	Linux
Reproducible shell environments, containers and systems Per-user package management without superuser privileges	Sandboxed by default with permissions you can inspect and narrow One package works across distributions through shared runtimes
Configuration requires learning Guile Scheme Only free software is packaged, so some proprietary drivers and apps are not included	Runtimes are large, so the first few applications cost a lot of disk Sandbox escapes through broad filesystem permissions are common in practice
Downloadable app, Operating system	Downloadable app
Open source	Open source
License not stated	License: LGPL-2.1
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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