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Apereo CAS vs Authelia

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

Apereo CASAuthelia
LanguageJavaGo
LicenceApache-2.0Apache-2.0
Stars11k29k
Latestv8.0.2v4.39.28
Last push2026-10-062026-10-06
Release cadenceabout 9 days between releasesabout 2 days between releases
Active contributors5+ commit authors on the default branch in the last 90 days13+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Okta. Alternatives to Okta →

    PartialApereo CASWeb single sign-on over CAS, SAML and OpenID Connect with MFA, common in universities.

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