Zitadel
Zitadel is a free identity infrastructure platform used to run authentication, SSO, and user management for developers and IT teams building or securing apps.
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- Category
- Identity & Access
- Pricing
- Free
- Platforms
- LinuxWindowsmacOS
- License
- Open source
- Reviewed
- Last reviewed 25 October 2026
What it is
An identity platform that issues tokens, manages users and organizations, and speaks common auth protocols. It can be self-hosted or used as Zitadel Cloud.
What it helps with
- Standing up login, SSO, and MFA for your apps
- Managing users and organizations in one place
- Self-hosting under AGPL-3.0 or using the hosted cloud
- Integrating with apps through standard identity protocols
Who it's for
Developers and IT teams who need identity infrastructure for applications.
Worth knowing
The project license is AGPL-3.0. Release archives cover Linux, Windows, and macOS.
Did Zitadel change its license?
Yes, the open source project is under AGPL-3.0.
How does it compare with Keycloak or authentik?
In our view Keycloak is the established Java IdP, authentik is a flexible open core option, and Zitadel focuses on modern identity infrastructure.
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