Compare software

Janssen Project vs Ory Kratos: catalog facts
Janssen Project	Ory Kratos
Free Free and open source.	Free Free to self-host; Ory also sells a hosted version through Ory Network.
Self-hosted	Self-hosted
OAuth and OpenID Connect Auth Server Agama low-code identity orchestration	Supports passkeys, social sign-in, OIDC, SAML and TOTP API-first design leaves the login UI fully under your control
Many components make it complex to operate Aimed at organisations with dedicated identity engineers	Headless, so you must build or adopt your own login pages Aimed at developers rather than end users
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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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