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Diun vs Dockwatch: catalog facts
Diun	Dockwatch
Free Free and open source under the MIT license; donations accepted.	Free Free to download and run from its public GitHub repository.
Self-hosted, Command line	Web, Self-hosted
Detects both new tags and digest changes Runs as a single binary or a container	Automated container updates from a web interface Notifications about container changes
Notifies only; does not update containers itself Configuration is file-based with no graphical interface	Needs access to the Docker host it manages Recently moved its data store to MariaDB, adding a dependency
Downloadable app, Self-hosted	Self-hosted
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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