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← Zitadel

Alternatives

Zitadel alternatives

ZITADEL is an open-source, multi-tenant identity platform offering SSO, passwordless login and role-based access via APIs. Here are 24 similar tools on DevHunt, starting with the closest matches.

Quick answerThe best free Zitadel alternative is Keycloak, for self-hosted IAM. Pick Auth0 for hosted SaaS authentication, or SuperTokens for auth libraries for web/mobile.

Zitadel is a free alternative to Auth0.

At a glance

4 closest to Zitadel
ToolBest forPricingVotesComparison
Auth0Hosted SaaS authenticationPaid—vs Zitadel →
KeycloakSelf-hosted IAMFree, open source—vs Zitadel →
SuperTokensAuth libraries for web/mobileFree, open source—vs Zitadel →
WorkOSEnterprise SSO APIsPaid—vs Zitadel →

How to choose

  • For hosted SaaS authentication: Auth0 (paid)
  • For self-hosted IAM: Keycloak (free, open source)
  • For auth libraries for web/mobile: SuperTokens (free, open source)
  • For enterprise SSO APIs: WorkOS (paid)
  • For API-first multi-tenant identity infrastructure: Zitadel itself

Closest alternatives

compared with Zitadel
  • Auth0▲ 0 · Subscription

    Auth0 is a hosted SaaS auth service, while ZITADEL offers open-source self-hosted and cloud options with multi-tenant focus. Zitadel vs Auth0 →

  • Keycloak▲ 0 · Free

    Keycloak is open-source IAM but focuses on on-prem deployments; ZITADEL adds API-first design and built-in multi-tenant SaaS plans. Zitadel vs Keycloak →

  • SuperTokens▲ 0 · Free

    SuperTokens provides open-source auth libraries, whereas ZITADEL delivers a full identity platform with hosted UI and enterprise features. Zitadel vs SuperTokens →

  • WorkOS▲ 0 · Subscription

    WorkOS offers enterprise SSO and directory sync APIs, while ZITADEL includes full identity lifecycle, RBAC and multi-tenant management. Zitadel vs WorkOS →

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FAQ

What is the best alternative to Zitadel?+

The closest Zitadel alternatives are Auth0 (hosted SaaS authentication), Keycloak (self-hosted IAM) and SuperTokens (auth libraries for web/mobile). WorkOS is also close. Each one links to a side-by-side comparison with Zitadel.

What is the best free alternative to Zitadel?+

Keycloak (self-hosted IAM) is the closest free alternative to Zitadel. SuperTokens (auth libraries for web/mobile) is free too.

Is there an open source alternative to Zitadel?+

Yes. Keycloak (self-hosted IAM) and SuperTokens (auth libraries for web/mobile) are open source.

What is Zitadel used for?+

ZITADEL is an open-source, multi-tenant identity platform offering SSO, passwordless login and role-based access via APIs. Common uses: add SSO and social login to a SaaS product with a single API call, implement passwordless authentication for a mobile app using passkeys and manage separate tenant identities for multiple client companies in a B2B platform.

Is Zitadel free?+

Zitadel has a free tier and paid plans, with a free trial.