ZITADEL is an identity and access management platform for securing web applications, SaaS products and business-to-business services.
It provides authentication, authorization, user management and identity federation through a central, API-first service.
The platform supports both self-hosted deployments and ZITADEL’s hosted cloud service. Its hierarchical multi-tenancy model separates instances, organizations and projects, allowing administrators to apply identities, roles, policies and branding at different levels.
This is free and open source software.
Key Features
- Provides single sign-on using OpenID Connect and SAML 2.0.
- Supports passwords, passkeys, WebAuthn, one-time passwords and hardware security keys.
- Offers native multi-tenancy with isolated organizations, projects, policies and roles.
- Integrates external enterprise, social and LDAP identity providers.
- Includes role-based access control, delegated administration and machine-to-machine authentication.
- Provides SCIM 2.0 provisioning, identity brokering and domain discovery.
- Exposes resources and operations through REST, connectRPC and gRPC APIs.
- Maintains an immutable event stream that provides a comprehensive audit trail.
- Supports webhooks, custom actions and token enrichment.
- Includes self-registration, account recovery, verification and other self-service workflows.
- Offers an administration console and organization-specific branding.
- Supports Docker Compose and Kubernetes deployments backed by PostgreSQL.
- Provides horizontal scaling and zero-downtime updates.
Website: github.com/zitadel/zitadel
Support:
Developer: ZITADEL
License: GNU Affero General Public License v3.0
ZITADEL is written in Go. Learn Go with our recommended free books and free tutorials.
Related Software
| Single Sign-on Software | |
|---|---|
| KeyCloak | Identity and access management solution for applications and services |
| CAS | Enterprise multilingual single sign-on solution |
| authentik | Identity provider that emphasizes flexibility and versatility |
| Authelia | Authentication and authorization server |
| Casdoor | UI-first Identity and Access Management / Single-Sign-On platform |
| Kanidm | Simple and secure identity management |
| WSO2 Identity Server | Identity and Access Management solution |
| Janssen | Digital identity platform |
| OpenAM | Access management solution that includes SSO |
Read our verdict in the software roundup.
 Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |
Please read our Comment Policy before commenting.