ZITADEL

ZITADEL is an identity platform that handles sign-in, user management and access control. It is open source and also offered as a hosted service, so teams can choose how much they run themselves.

ZITADEL provides a hosted login page and APIs for building your own login screens. It supports social logins, passwordless methods and multi-factor authentication. Administrators can assign roles to users, and separate organizations can be set up for multi-tenant products.

• Hosted login page with social and passkey sign-in
• Multi-factor authentication and passkeys
• Role-based access control per project
• Multi-tenant organizations for B2B products
• Customizable login interface and branding

ZITADEL is aimed at teams that need one identity system for consumers, business customers and employees. It suits B2B products where each customer organization has its own users and rules, and platform teams that want one sign-in setup across several apps.

The core project is open source under the AGPL-3.0 license, which has conditions when you modify the software and offer it to others over a network. A hosted version is offered with a start-for-free option. Review the license terms before building the code into a commercial service.