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

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