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Authelia vs Keycloak

The same facts for both, read from GitHub every night, and the relation a person reviewed.

AutheliaKeycloak
LanguageGoJava
LicenceApache-2.0Apache-2.0
Stars29k37k
Latestv4.39.2826.8.0
Last push2026-10-062026-10-06
Release cadenceabout 2 days between releasesabout 14 days between releases
Active contributors13+ commit authors on the default branch in the last 90 days97+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Okta. Alternatives to Okta →

    PartialAutheliaSSO and MFA in front of a reverse proxy, plus an OpenID Connect provider, without user management UI.

    Full replacementKeycloakSSO over OpenID Connect and SAML, user federation with LDAP and Active Directory, and MFA.