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Watchtower vs Dockwatch: catalog facts
Watchtower	Dockwatch
Free Free and open source.	Free Free to download and run from its public GitHub repository.
Linux, Self-hosted	Web, Self-hosted
Keeps running containers updated without manual pulls Actively maintained continuation of the original Watchtower	Automated container updates from a web interface Notifications about container changes
Automatic updates can introduce breaking changes without warning Not designed for controlled rollouts in larger production environments	Needs access to the Docker host it manages Recently moved its data store to MariaDB, adding a dependency
Self-hosted	Self-hosted
Open source	Closed source
License: Apache-2.0	License not stated
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 October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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