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Clerk vs Keycloak

Learn how Clerk and Keycloak differ in their key features like authentication, enterprise auth, security, user management and compliance, so you can decide which of these authentication providers is best for you.

Favicon of Clerk

Clerk

Complete authentication & user management for modern apps
Visit ClerkRead more
Details:
  • B2B


    Yes
  • B2C


    Yes
  • Open Source


    No
  • Self-hosted


    No
Clerk screenshot
Favicon of Keycloak

Keycloak

Secure apps with open source identity management
Visit KeycloakRead more
Details:
  • B2B


    Yes
  • B2C


    No
  • Open Source


    Yes
  • Self-hosted


    Yes
View Repository
Keycloak screenshot

Feature Comparison

Both tools offer comparable feature coverage, with Clerk supporting 31 features and Keycloak supporting 30. Consider your specific needs regarding authentication, enterprise auth, security, user management and extensibility when making your decision. Clerk fully covers extensibility, and both tools fully cover authentication and branding and more.

Passwordless Authentication
Clerk
Keycloak
Social Connections
Clerk
Keycloak
Passkeys
Clerk
Keycloak
Long Lived Sessions
Clerk
Keycloak

Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods

Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods

Session Management
Clerk
Keycloak

Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console

Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console

Multi-Language
Clerk
Keycloak

The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles

The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles

ClerkKeycloak
Passwordless Authentication
Social Connections
Passkeys
Long Lived Sessions

Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods

Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods

Session Management

Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console

Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console

Multi-Language

The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles

The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles

Compliance Comparison

Clerk offers broader coverage than Keycloak, supporting 2 certifications and regulatory frameworks compared to 0 for Keycloak. Since Keycloak is open source and does not include compliance certifications, you’ll need to manage compliance yourself.

hipaa iconHIPAACompliant
Clerk
Keycloak
soc2 iconSOC2Compliant
Clerk
Keycloak
ComplianceClerkKeycloak
hipaa iconHIPAACompliant
soc2 iconSOC2Compliant

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