Atricore’s JOSSO is an open source and commercially supported Internet Single Sign-On (FSSO) solution for point-and-click and standards-based (SAML2) Internet-scale SSO implementations. For more information contact us at : http://www.josso.org
ISPMan is a system to design massive ISPs using LDAP as the backend.
ISPMan provides a web front end and a command line interface to create virtual domains and manages users, dns information, email infos and httpd setup data for these vhosts.
QmailLdapAdmin is a tool designed in PHP to handle qmail-Schema of Ldap. It provides basic ldap operations, additionally it has a lot of built-in intelligence to support rules to setup emails accounts record in ldap. Mailling lists also can be maintained
This is a collection of modules and HOWTOs that allow Active Directory to be extended and provide support for LDAP/SSL authentication of Linux hosts, setup a local homedir footprint for Linux users and mount their smbfs remote homedir on login.
Ldapmenu is a tool for managing an LDAP database for PSOIX users. It works in Linux, Sun, Tru64, HP-UX all from one console. It offers user/group/host/application management. This is a tool but also contains OpenLDAP setup instructions.