Gluu Server is described as 'The Gluu Server is a container distribution of free open source software (FOSS) for identity and access management (IAM). SaaS, custom, open source and commercial web and mobile applications can leverage a Gluu Server for user authentication, identity information, and policy' and is a identity management tool in the network & admin category. There are more than 25 alternatives to Gluu Server for a variety of platforms, including Web-based, Self-Hosted, SaaS, Linux and Windows apps. The best Gluu Server alternative is Keycloak, which is both free and Open Source. Other great apps like Gluu Server are authentik, Kanidm, Rauthy and Auth0.