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What's Up Docker vs Diun: catalog facts
What's Up Docker	Diun
Free Free and open source under the MIT licence.	Free Free and open source under the MIT license; donations accepted.
Web, Self-hosted	Self-hosted, Command line
Supports Docker, Compose, Swarm, Kubernetes and Nomad Works with most public registries and self-hosted OCI registries	Detects both new tags and digest changes Runs as a single binary or a container
Needs to run as its own container or service Automatic updates can break setups if images change behaviour	Notifies only; does not update containers itself Configuration is file-based with no graphical interface
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: MIT	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 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.