Authentik vs Keycloak

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

Authentik

MIT

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

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Keycloak

Apache-2.0

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

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Side-by-side comparison

	Authentik	Keycloak
License	MIT	Apache-2.0
Self-hostable	Yes	Yes
GitHub Stars	25,649	36,881
Forks	2,029	8,945
Open Issues	1,099	3,261
Last Commit	Sep 19, 2026	Sep 20, 2026
First Released	Dec 30, 2019	Jul 2, 2013
Categories	2FA Authentication Single Sign-On	Authentication & Identity
Tags	#authentication #authorization #kubernetes #self hosted #sso	#authentication #sso #security #self hosted

GitHub stars over time

Authentik25,649

Keycloak

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