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authentik vs Casdoor: catalog facts
authentik	Casdoor
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source.
Linux, Self-hosted, Web	Web, Self-hosted
One server covers SAML, OAuth2/OIDC, LDAP and RADIUS, with a flow builder that lets you compose the login…	Supports OAuth, OIDC, SAML, CAS, LDAP and SCIM Several MFA options including WebAuthn and TOTP
The flow model is powerful but confusing at first, and some organisation-scale features sit in a paid enterprise…	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: MIT	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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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