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Project Quay vs Docker Registry UI: catalog facts
Project Quay	Docker Registry UI
Free Free to self-host as an open-source project.	Free Free to use; the source is published on GitHub.
Web, Self-hosted	Web, Self-hosted
Private registry you host yourself Image security scanning	Browse repositories and tags in a browser Manage a private registry without calling the API by hand
Heavier to deploy than a simple registry Aimed at teams more than single users	Only useful if you run your own Docker registry You host and maintain it yourself
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is 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 September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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