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Ory Kratos vs Casdoor: catalog facts
Ory Kratos	Casdoor
Free Free to self-host; Ory also sells a hosted version through Ory Network.	Free Free and open source.
Self-hosted	Web, Self-hosted
Supports passkeys, social sign-in, OIDC, SAML and TOTP API-first design leaves the login UI fully under your control	Supports OAuth, OIDC, SAML, CAS, LDAP and SCIM Several MFA options including WebAuthn and TOTP
Headless, so you must build or adopt your own login pages Aimed at developers rather than end users	Needs to be hosted and secured by you Wide feature scope, including AI agent features, adds complexity
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account 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 September 23, 2026

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