LDAP tools to support formerly NIS environments.
apache cookie SSO mechanism.
Apache LDAP Directory Manager
DBIS Reference Implementation
Plugin for OpenLDAP who checks password quality
Two-factor authentication system
pGina is an open source replacement authentication system for Windows
An open framework for Single SignOn authentication
Add LDAP user authentication in MySQL
An hook overlay for OpenLDAP
LDAP backend for VirtualBox RDP Auth