Product Overview

Keycloak

Keycloak is the open-source identity and access management platform backed by Red Hat. It provides SSO, federation, identity brokering, and social login for modern applications and services. Keycloak is the upstream project for Red Hat Build of Keycloak (the commercially supported version) and is widely deployed in both enterprise and community settings where full control over the identity stack is required.

Last updated

Founded
2014
Pricing
Free (open source) / Red Hat Build of Keycloak via subscription
Verify with vendor
Deployment
Open SourceSelf-Hosted
Identity & Access Management

Key Features

+OpenID Connect, OAuth 2.0, and SAML 2.0 support
+Identity brokering with social login providers
+User federation with LDAP and Active Directory
+Multi-factor authentication (TOTP, WebAuthn)
+Adaptive authentication via custom authenticators
+Fine-grained authorization services
+Admin and Account REST APIs
+Realms for multi-tenant deployments
+Customizable login and account themes
+Kubernetes operator for declarative deployment

Pros & Cons

Pros

  • +Free, fully open source, self-hosted forever
  • +Rich feature set comparable to commercial platforms
  • +Strong federation with LDAP and Active Directory
  • +Large community and extensive extension ecosystem

Cons

  • –Operational overhead of running it yourself
  • –Admin UI is functional but dated
  • –Requires expertise to deploy for high availability
  • –Upgrades between major versions can be painful

Best For

Teams that need full control, auditability, and zero license cost

Community & Practitioner Evidence

Open Source Activity

GitHub
Stars
24.2k
Forks
7.1k
Contributors
1.2k
Open Issues
2.8k
Last Push
Feb 2026

Community Sources

❓ Q&A Threads
  • →
    Keycloak tag on Stack Overflow[Stack Overflow]
💬 Reddit Discussions
  • →
    Keycloak discussions on r/selfhosted[Reddit]
🔗 GitHub
  • →
    Keycloak GitHub repository[GitHub]

User Reviews

No reviews yet. Be the first to share your experience!

As a Product Hub

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As an Alternative (7 comparisons)

Auth0 vs Keycloak

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Duo Security vs Keycloak

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ForgeRock vs Keycloak

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Okta Workforce Identity vs Keycloak

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Ping Identity vs Keycloak

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Microsoft Entra ID vs Keycloak

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Cloudflare Access vs Keycloak

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Sources & References

  1. Keycloak (Official Site)[Vendor]
  2. Keycloak Reviews on G2[User Reviews]
  3. Keycloak Reviews on TrustRadius[User Reviews]
  4. Keycloak Reviews on PeerSpot[User Reviews]
  5. keycloak/keycloak (GitHub)[Open Source Project]
  6. Keycloak tag on Stack Overflow[Technical Q&A]
  7. Keycloak discussions on r/selfhosted[Community Discussion]
  8. Keycloak GitHub repository[Open Source Project]
  9. Gartner Magic Quadrant for Access Management 2024[Analyst Report]
  10. Forrester Wave: Identity-As-A-Service (IDaaS), Q4 2024[Analyst Report]
  11. KuppingerCole Leadership Compass: Access Management 2024[Analyst Report]
  12. NIST SP 800-63: Digital Identity Guidelines[Government Standard]
  13. FIDO Alliance: Passwordless Authentication Standards[Industry Standard]
  14. Gartner Peer Insights: Access Management[Peer Reviews]

Related Comparisons & Categories

Comparison

Auth0 vs Keycloak

The leading open-source IAM platform, backed by Red Hat

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keycloak Alternatives

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Comparison

Duo Security vs Keycloak

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Comparison

ForgeRock vs Keycloak

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Comparison

Okta Workforce Identity vs Keycloak

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Comparison

Ping Identity vs Keycloak

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Comparison

Microsoft Entra ID vs Keycloak

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Comparison

Cloudflare Access vs Keycloak

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