ForgeRock - OpenAM | ForgeRock

Single sign-on (SSO) allows a user to sign on with one set of credentials and gain access to multiple applications and services. SSO increases security and provides a better user experience for customers, employees and partners by reducing the number of required accounts/passwords for all the apps and services they need.

[makotan]

“The only “all-in-one” open source access management solution provides the most comprehensive consumer-facing identity relationship management (IRM) services, as well as traditional access management capabilities.”

[warud]

OSS SSO Project

[yass]

" OpenAM has a highly scalable, modular, easy to deploy architecture that includes Authentication, SSO, Authorization, Federation, Entitlements, Adaptive Authentication, Strong Authentication and Web Services Security - in a single, unified product. "