The 'Comments with OpenID' plugin allows to provide user details via OpenID service providers (Google, Yandex, LiveJournal etc.) while commenting.
Add the Gigya Toolbar for Free and increase traffic and revenues!
Google Friendsconnect OpenID & Faces widget.
This plug-in adds a `Login with MySpaceID' button to the login page.
This Plugin allows your users to easily fill out your comment forms using an hCard.
This plugins had the needed code to the header of your blog, to detect your OpenID account at http://openid.sapo.pt, look at my blog source code and c
VidoopConnect makes it easier than ever to sign up and login to your site by letting your visitors reuse their existing accounts from sites like Googl
Gets the data from your NoseRub account and lets you use it on your weblog. Supernifty.
Allow OpenID based commenters to add their thoughts via comments on your WordPress blog. This plugin is not an OpenID server.
This plugin, based upon James Kelley's plugin, lets users register and log in using IDs including Facebook, OpenID, and Yahoo via PrefPass.
This plugin allows you to generate a openvatar URL complete with size, default, and border options. See the documentation for syntax and usage.
Use your wordpress blog URL as an OpenID by delegating to a third party provider.
Adds an OpenID provider system to WordPress MU, making every WordPress MU hosted weblog an OpenID.