WordPress.org

Functions:

• Simple LogIn (one click)
• Simple LogOut (one click)
• Create user automatically
• Update user's profile with the informations that came from Identity Provider
• Protect the user's profile, that the user can't modificate the informations that came from Identity Provider
• Syncronize the LogIn and LogOut actions between the WordPress and the Identity Provider
• If the (Apache) agent have a long update period you can choose what to do the plugin: go to login URL or LogIn.
• SSL support
• Rules: If a regular expression match to the $_SERVER variable's element put the user to the group.
• Plus plugin: Simple Group Manager - Manage the user's groups and the group's roles.
• Admin page: Users / SSO Autentikáció

For more infromation please read this: http://kir-dev.sch.bme.hu/wp-opensso

If you don't now how it's work: https://redmine.kirdev.sch.bme.hu:8081/wiki/wordpress/OpenSSO_autentikacio (in Hungarian)