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Docker Hub vs zot: catalog facts
Docker Hub	zot
Freemium Browsing and pulling public images is free; publishing requires a Docker account.	Free Free and open source under the Apache 2.0 license.
Web	macOS, Linux, Self-hosted
Default registry used by Docker tools Official, hardened and verified publisher images are labeled	Single static binary with no external services Runs without root privileges
Hosted service, not something you can run yourself Publishing images requires an account	Aimed at users comfortable running server software No graphical desktop client
Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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