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Authorizer vs ZITADEL

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

AuthorizerZITADEL
LanguageGoGo
LicenceApache-2.0AGPL-3.0
Stars2.1k15k
Latest2.4.1v4.19.4
Last push2026-10-062026-10-06
Release cadencetoo few releasesabout 2 days between releases
Active contributors2 commit authors on the default branch in the last 90 days20 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Auth0. Alternatives to Auth0 →

    PartialAuthorizerLogin, signup and role-based access for your applications over OAuth and OpenID Connect.

    Full replacementZITADELMulti-tenant login, OpenID Connect, SAML and passkeys, built for B2B apps.