Zitadel

by ZITADEL

Open-source identity platform for multi-tenant B2B apps, cloud or self-hosted

Visit zitadel.com FreemiumOpen source

Zitadel is an identity and access management platform with OpenID Connect, OAuth2, and SAML support, passkeys, and built-in multi-tenancy for B2B applications. It keeps an event-sourced audit trail of changes and is available as a managed cloud service or self-hosted.

Key features

  • OIDC, OAuth2, and SAML
  • Passkeys and MFA
  • Organizations for multi-tenant B2B apps
  • Event-sourced audit trail
  • Managed cloud or self-hosted

Similar tools

  • Keycloak

    Open-source identity and access management with SSO, OAuth 2.0, and OIDC

    FreeOpen sourceSelf-hosted
  • authentik

    Self-hosted identity provider with SSO, MFA, and an application proxy

    FreemiumOpen sourceSelf-hosted
  • WorkOS

    APIs for enterprise SSO, directory sync, and user management

    by WorkOSFreemiumWeb, API
  • Auth0

    Identity platform for login, SSO, and MFA in customer-facing apps

    by OktaFreemiumWeb, API
  • Better Auth

    Framework-agnostic authentication library for TypeScript

    by Better AuthFreemiumOpen sourceSelf-hosted
  • Clerk

    Hosted authentication and user management with prebuilt UI components

    by ClerkFreemiumWeb, API

Built a tool like Zitadel? Submit it for review