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Ory Hydra vs Janssen Project: catalog facts
Ory Hydra	Janssen Project
Freemium Free to self-host; a hosted version is offered on Ory Network.	Free Free and open source.
Self-hosted	Self-hosted
OpenID Certified OAuth and OIDC implementation Works with an existing user management system	OAuth and OpenID Connect Auth Server Agama low-code identity orchestration
Headless: you build login and consent screens yourself Requires OAuth and OIDC knowledge to deploy	Many components make it complex to operate Aimed at organisations with dedicated identity engineers
Self-hosted, Hosted service	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 October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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