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Zitadel

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Swiss open-source identity and auth platform (OIDC, SAML, MFA) – self-hostable or as a cloud, an alternative to Auth0/Okta.

Website
86
Confidence: high

Zitadel is an open-source identity and access management platform by CAOS AG in St. Gallen, Switzerland. It provides the authentication and authorization infrastructure for your own applications and multi-tenant B2B SaaS – including OIDC, SAML, SCIM, MFA and FIDO2/passkeys plus delegated role management. The self-hostable open-source version (AGPLv3) is completely free with no user limits or feature restrictions; the cloud bills by active users and starts free. According to the provider, the cloud service is SOC 2 Type II and ISO 27001 certified. This makes Zitadel a European, sovereignty-friendly alternative to Auth0 or Okta.

Note on ownership: Open-source identity and access management platform (AGPLv3) by CAOS AG in St. Gallen, Switzerland, founded in 2019. Zitadel offers OIDC, SAML, SCIM, MFA and FIDO2/passkeys and can be self-hosted for free with no user limit; the cloud (pay-as-you-go, free entry) is, according to the provider, SOC 2 Type II and ISO 27001 certified.

Strengths

  • Open source (AGPLv3), self-hostable with no user limits
  • Modern standards: OIDC, SAML, SCIM, MFA, FIDO2/passkeys
  • Swiss provider; cloud SOC 2 Type II and ISO 27001
  • Multi-tenant for B2B SaaS

Weaknesses

  • Identity infrastructure is technically demanding (a developer tool)
  • Self-hosting requires operation and maintenance
  • Smaller ecosystem than established US providers

Best for

  • • Developer teams and SaaS providers with their own login/SSO
  • • Organisations wanting to self-host identities
  • • Teams replacing Auth0/Okta with open source

Less suited for

  • • Teams without technical resources to run IAM

Sovereignty Score & weitere Bewertungen

Sovereignty Score86
Privacy Score84
Open Source Score90
Business fit82
Enterprise readiness84
Pricing transparency80

Hohe Souveränität durch AGPL-Lizenz, Self-Hosting und Schweizer Anbieter; Cloud mit SOC 2 Type II und ISO 27001.

The Sovereignty Score is an editorial orientation aid, not legal advice. How we rate.

Sources & notes

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High Sovereignty Score (86/100)

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