FusionAuth vs Keycloak
Learn how FusionAuth 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.
FusionAuth

Keycloak

Feature Comparison
FusionAuth has significantly broader feature support than Keycloak, with 41 supported features versus 30. FusionAuth fully covers extensibility and platform, and both tools fully cover authentication and machine to machine (m2m) authentication and more.
Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods
Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console
The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles
| FusionAuth | Keycloak | |
|---|---|---|
Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods | ||
Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console | ||
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
FusionAuth offers significantly broader coverage than Keycloak, supporting 5 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.
| Compliance | FusionAuth | Keycloak |
|---|---|---|