Authentication & SSO · Switzerland (CH)
ZITADEL
Swiss open-source identity platform — cloud-native Auth0 alternative with multi-tenancy.
The switch
Auth0 / Okta→ZITADELalso replaces AWS Cognito
About
Open-source identity and access management platform built in Switzerland. API-first, event-sourced, and built for modern multi-tenant SaaS. Supports OIDC, SAML, passkeys, MFA. Self-hostable or use the EU/CH cloud. GDPR and Swiss FADP compliant.
Why we recommend it
- Apache 2.0 — fully open source, self-hostable
- Multi-tenancy built in from day one
- Passkeys, MFA, OIDC, SAML, SCIM supported
- Event-sourced — full audit trail on every action
- EU and CH cloud regions available
EU vs USA
ZITADEL vs Auth0 / Okta
Side-by-side on jurisdiction, data residency, and the rules that decide who can actually read your data.
Criteria
🇪🇺 ZITADEL
🇺🇸 Auth0 / Okta
Headquarters
Zürich, Switzerland
San Francisco, CA, USA
Jurisdiction
Switzerland (FADP) + EU cloud (GDPR)
USA (CLOUD Act, FISA 702)
Data location
Switzerland or EU (your choice)
Global, US-controlled (AWS)
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
No
No
End-to-end encryption
No
No
Open source
Yes
No
Ownership
CAOS Ltd (private, Swiss)
Okta Inc. (NASDAQ:OKTA)
Founded
2019
2013
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