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Flatseal vs Warehouse: catalog facts
Flatseal	Warehouse
Free Free and open source.	Free Free and open source.
Linux	Linux
Shows all Flatpak permissions in one graphical window Reset button restores defaults per application	Batch actions on many installed Flatpaks Finds and manages app user data, including leftovers
Only manages Flatpak applications Applications must be restarted before changes apply	Linux only and limited to Flatpak apps Does not manage native distribution packages
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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