Top six open source alternatives to Auth0

Auth0 is a widely-used identity and access management service, but there are several open-source alternatives that offer similar functionality with the added benefits of self-hosting and community-driven development. The top six alternatives include Keycloak, Gluu, Authentik, Authelia, SuperTokens, and FusionAuth. These alternatives support various authentication methods, integrations, and scaling options, providing viable solutions for organizations seeking customizable identity management systems.