A spec compliant, secure by default
FIDO® Certified StrongKey FIDO Server (SKFS)
A simple, personal OpenID provider written in PHP
apache cookie SSO mechanism.
Implementation of XDG Base Directory specification for php
PHP User Login and Management System based on Codeigniter
Two-factor authentication system
A class for PHP to talk to Active Directory through LDAP.
phpbb Multiple domain Single Sign on with wordpress plugin
Deprecated project - see http://wordpress.org/extend/plugins/wpmuldap/