Keycloak vs SuperTokens

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

Keycloak

Apache-2.0

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

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SuperTokens

AGPL-3.0

Open-source authentication solution, an alternative to Auth0 and Firebase Auth that you can self-host.

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Side-by-side comparison

	Keycloak	SuperTokens
License	Apache-2.0	AGPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	37,100	15,328
Forks	9,003	841
Open Issues	3,198	163
Last Commit	Oct 2, 2026	Oct 2, 2026
First Released	Jul 2, 2013	Jan 5, 2020
Categories	Authentication & Identity	Authentication & Identity
Tags	#authentication #sso #security #self hosted	#authentication #self hosted #privacy #security

GitHub stars over time

Keycloak37,100

SuperTokens

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