Casdoor vs Keycloak
A side-by-side comparison of two self-hosted identity & sso options
— licensing, setup difficulty, resource needs, and what each one
replaces.
Not the right match-up?
Compare Casdoor with
choose an app… Authelia authentik Casbin Ory Hydra SuperTokens ZITADEL Logto Ory Kratos Open Policy Agent Apereo CAS Dex Hanko Pocket ID step-ca SpiceDB LLDAP Permify OpenFGA Ory Keto Kanidm Cerbos 2FAuth Boundary node-oidc-provider Ory Oathkeeper Vouch Proxy Buzzfeed sso GLAuth Keywhiz FreeRADIUS Supabase Auth Traefik Forward Auth SAML Jackson Caddy Security Authorizer Authgear privacyIDEA Topaz Warrant Rauthy FreeIPA SimpleSAMLphp Samba Active Directory DC Zentral WSO2 Identity Server Janssen Project midPoint LDAP Account Manager OpenLDAP Apache Syncope Univention Corporate Server FusionAuth Shibboleth Identity Provider OpenUnison ZITADEL Login UI LemonLDAP::NG Ipsilon Gluu Flex Hello Identity Coop
Compare Keycloak with
choose an app… Authelia authentik Casbin Ory Hydra SuperTokens ZITADEL Logto Ory Kratos Open Policy Agent Apereo CAS Dex Hanko Pocket ID step-ca SpiceDB LLDAP Permify OpenFGA Ory Keto Kanidm Cerbos 2FAuth Boundary node-oidc-provider Ory Oathkeeper Vouch Proxy Buzzfeed sso GLAuth Keywhiz FreeRADIUS Supabase Auth Traefik Forward Auth SAML Jackson Caddy Security Authorizer Authgear privacyIDEA Topaz Warrant Rauthy FreeIPA SimpleSAMLphp Samba Active Directory DC Zentral WSO2 Identity Server Janssen Project midPoint LDAP Account Manager OpenLDAP Apache Syncope Univention Corporate Server FusionAuth Shibboleth Identity Provider OpenUnison ZITADEL Login UI LemonLDAP::NG Ipsilon Gluu Flex Hello Identity Coop
Feature Casdoor Keycloak Category Identity & SSO Identity & SSO License Apache-2.0 Apache-2.0 Language Go Java Setup difficulty Medium Hard Min. RAM 256 MB 1,024 MB Deployment docker, kubernetes, binary docker, kubernetes, bare-metal GitHub stars ★ 14,139 ★ 36,058 First released 2021 2014 Replaces Auth0, Okta Okta, Auth0, Microsoft Entra ID
Why pick each one
Choose Casdoor if… Polished out-of-the-box UI Broad protocol support Casdoor details Choose Keycloak if… Mature and battle-tested Strong enterprise feature set Keycloak details
Frequently asked questions Is Casdoor or Keycloak better? Neither is universally better. Keycloak has the larger community, while Casdoor is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Casdoor and Keycloak free and open-source? Yes. Casdoor is licensed under Apache-2.0 and Keycloak under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Casdoor and Keycloak with Docker? Casdoor: yes. Keycloak: yes.