This comparison focuses on Keycloak and FusionAuth's OpenID Connect protocol support. Looking for their (C)IAM features like MFA, SSO, and user management? Compare Keycloak vs FusionAuth on (C)IAM features.
Keycloak vs FusionAuth
Compare Keycloak and FusionAuth side by side across grant types, token endpoint authentication methods, extensions, endpoints, FAPI compliance, and protocol features.
Keycloak supports 40 of 44 tracked features, FusionAuth supports 21.
Feature Comparison
Looking for a different comparison? See the full OpenID Connect Providers benchmark.
Looking for their (C)IAM features like MFA, SSO, and user management? Compare Keycloak vs FusionAuth on (C)IAM features.
More Keycloak comparisons
Keycloak vs Ping IdentityKeycloak vs AuthleteKeycloak vs CurityKeycloak vs GluuKeycloak vs OktaKeycloak vs Auth0Keycloak vs Duende IdentityServerKeycloak vs ZitadelKeycloak vs OryKeycloak vs Better AuthKeycloak vs Spring SecurityKeycloak vs AutheliaKeycloak vs authentikKeycloak vs Microsoft Entra External IDKeycloak vs CyberArk IdentityKeycloak vs DescopeKeycloak vs Amazon CognitoKeycloak vs KindeKeycloak vs WorkOSKeycloak vs LogtoKeycloak vs StytchKeycloak vs Supabase AuthKeycloak vs SAP CIAMKeycloak vs ClerkKeycloak vs SuperTokensKeycloak vs MemorityKeycloak vs FronteggKeycloak vs Purse IdentityKeycloak vs SailPoint Identity Security CloudKeycloak vs EvidianKeycloak vs Firebase Authentication
More FusionAuth comparisons
FusionAuth vs Ping IdentityFusionAuth vs AuthleteFusionAuth vs CurityFusionAuth vs GluuFusionAuth vs OktaFusionAuth vs Auth0FusionAuth vs Duende IdentityServerFusionAuth vs ZitadelFusionAuth vs OryFusionAuth vs Better AuthFusionAuth vs Spring SecurityFusionAuth vs AutheliaFusionAuth vs authentikFusionAuth vs Microsoft Entra External IDFusionAuth vs CyberArk IdentityFusionAuth vs DescopeFusionAuth vs Amazon CognitoFusionAuth vs KindeFusionAuth vs WorkOSFusionAuth vs LogtoFusionAuth vs StytchFusionAuth vs Supabase AuthFusionAuth vs SAP CIAMFusionAuth vs ClerkFusionAuth vs SuperTokensFusionAuth vs MemorityFusionAuth vs FronteggFusionAuth vs Purse IdentityFusionAuth vs SailPoint Identity Security CloudFusionAuth vs EvidianFusionAuth vs Firebase Authentication
Note: The current data is based on provider documentation/experience and may not be 100% accurate.