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	25,962	37,349
Forks	2,075	9,052
Open Issues	1,124	3,232
Last Commit	Oct 15, 2026	Oct 14, 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

Authentik25,962

Keycloak

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