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← Keycloak

Alternatives

Keycloak alternatives

Keycloak is an open-source identity and access management solution providing SSO, social login, and fine-grained authorization. Here are 24 similar tools on DevHunt, starting with the closest matches.

Quick answerThe best free Keycloak alternative is Better Auth, for TypeScript-first auth framework. Pick Auth0 for managed SaaS authentication, or WorkOS for enterprise SSO APIs.

Keycloak is a free alternative to Auth0 and Okta.

At a glance

4 closest to Keycloak
ToolBest forPricingVotesComparison
Auth0Managed SaaS authenticationPaid—vs Keycloak →
WorkOSEnterprise SSO APIsPaid—vs Keycloak →
FirebaseGoogle-centric app authPaid—vs Keycloak →
Better AuthTypeScript-first auth frameworkFree, open source—vs Keycloak →

How to choose

  • For managed SaaS authentication: Auth0 (paid)
  • For enterprise SSO APIs: WorkOS (paid)
  • For Google-centric app auth: Firebase (paid)
  • For TypeScript-first auth framework: Better Auth (free, open source)
  • For open-source SSO and auth management: Keycloak itself

Closest alternatives

compared with Keycloak
  • Auth0▲ 0 · Subscription

    Auth0 is a hosted commercial service, while Keycloak is self-hosted open source. Keycloak vs Auth0 →

  • WorkOS▲ 0 · Subscription

    WorkOS focuses on enterprise SSO and directory sync as APIs, Keycloak offers full server and UI. Keycloak vs WorkOS →

  • Firebase▲ 0 · Subscription

    Firebase Auth is a cloud service with tight Google ecosystem integration; Keycloak is platform-agnostic and self-hosted. Keycloak vs Firebase →

  • Better Auth▲ 0 · Free

    Better Auth is a TypeScript library for auth logic; Keycloak provides a complete server and UI solution. Keycloak vs Better Auth →

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FAQ

What is the best alternative to Keycloak?+

The closest Keycloak alternatives are Auth0 (managed SaaS authentication), WorkOS (enterprise SSO APIs) and Firebase (Google-centric app auth). Better Auth is also close. Each one links to a side-by-side comparison with Keycloak.

What is the best free alternative to Keycloak?+

Better Auth (TypeScript-first auth framework) is the closest free alternative to Keycloak.

Is there an open source alternative to Keycloak?+

Yes. Better Auth (TypeScript-first auth framework) is open source.

What is Keycloak used for?+

Keycloak is an open-source identity and access management solution providing SSO, social login, and fine-grained authorization. Common uses: enable SSO across internal microservices, add social login (Google, Facebook, etc.) to a web app and integrate legacy LDAP users into a modern application.

Is Keycloak free?+

Keycloak is open source and free to use.