# Keycloak

> Open source identity and access management solution providing single sign-on, user federation, and authentication protocols like OpenID Connect and SAML.

- Website: https://www.keycloak.org/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/keycloak
- Pricing: Free
- Tags: Open Source, Self-hosted
- Categories: [Authentication & Identity](https://devshelf.io/category/authentication-identity.md)
- Last checked: 2026-11-03

## About

Keycloak is an open source identity and access management tool designed to add authentication to applications and secure services with minimal effort. It provides centralized single sign-on and single sign-out capabilities, identity brokering with social login support, and user federation with LDAP or Active Directory. Built on standard protocols like OpenID Connect, OAuth 2.0, and SAML, it includes an administrative console and fine-grained authorization services.

## Alternatives

- [Ory](https://devshelf.io/resource/ory.md): Open-source and managed identity and access management platform for customer, B2B, and AI agent authentication and authorization. (pricing: not verified)
- [Auth0](https://devshelf.io/resource/auth0.md): Flexible and secure authentication and authorization platform for web, mobile, and AI agent applications. (pricing: Freemium)
- [SuperTokens](https://devshelf.io/resource/supertokens.md): Open-source user authentication and session management framework offering prebuilt UI, modular plugins, and support for over 25 web frameworks. (pricing: not verified)

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