Adaptation of OpenId Selector for wordpress
WP OpenID Selector is the adaptation of openid-selector (http://code.google.com/p/openid-selector/) to wordpress.
Openid plugin (http://wordpress.org/extend/plugins/openid/) is needed to use wp-openid-selector.
Users who want's to authenticate (register) on a wordpress blog with openid system, only need to click on the their logo's provider, instead of writing it's url, to be automaticaly redirected to their openid server and proceed to the authentication.
You can see the plugin in use on our web site (http://www.st2i.com) or on the stackoverflow web site.