ZITADEL
🇨🇭 Switzerland (non-EU but European), St. Gallen · Founded 2019
ZITADEL — European alternative
Key Features
- Passwordless and passkey-first authentication with FIDO2/WebAuthn, OTP, and social logins
- Built-in multi-tenancy with organization and team management for B2B SaaS use cases
- OpenID Connect, OAuth 2.x, and SAML2 support with an API-first gRPC and REST interface
- Unlimited audit trail with event-sourcing architecture for full compliance traceability
Replaces
Auth0Okta
At a Glance
Headquarters🇨🇭 St. Gallen, Switzerland (non-EU but European)
Founded2019
Open SourceYes
Free TierYes
GDPR CompliantYes
CategoryIdentity & Access Management
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