Web-based LDAP address book browser/editor
Tomcat SPNEGO/Kerberos Authenticator and Active Directory Realm
Active Directory Keytab Management
The Identity Manager provides a solution to manage the user life cycle
Proxy Manager that integrates AD with Squid using SSO
An open framework for Single SignOn authentication
LDAP passwd Enumerator for Puppet
Browse and edit LDAP-based directories / entries
A class for PHP to talk to Active Directory through LDAP.
phpbb Multiple domain Single Sign on with wordpress plugin