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Authentik vs Keycloak

Comparing two open source alternatives to Auth0 . Use the comparison below to decide which one fits your needs.

Authentik

Authentik

Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.

Keycloak

Keycloak

Apache-2.0

Open-source identity and access management with SSO, OAuth2, OIDC, and SAML support for modern applications.

Side-by-side comparison

Authentik Authentik
Keycloak Keycloak
License Apache-2.0
Self-hostable Yes Yes
GitHub Stars 22,114 35,013
Forks 1,665 8,512
Open Issues 1,216 2,892
Last Commit Jun 23, 2026 Jun 22, 2026
First Released Dec 30, 2019 Jul 2, 2013
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