Provide WebSSO and Access Control features, with support of standard protocols like CAS, OpenID, OpenID Connect and SAML.
LemonlLDAP::NG is a modular WebSSO based on Apache::Session modules. It simplifies the build of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting. So you can have a full AAA protection for your web space as described below.
Official Website
Twitter
Facebook
single-sign-on access-control authentication openid authentication-proxy identity-access-management access-management authorization identity-provider password-authentication