OpenAM is an open source access management, entitlements and federation server platform.
OpenAM is the open source authentication, authorization, entitlement and federation software derived from Sun Microsystem's OpenSSO.
OpenAM provides core identity services to simplify the implementation of transparent single sign-on (SSO) as a security component in a network infrastructure. OpenAM provides the foundation for integrating diverse web applications that might typically operate against a disparate set of identity repositories and are hosted on a variety of platforms such as web and application servers.