Surprise! You may already have an OpenID.
If you use any of the following services, you already have your own OpenID. Below are instructions on how to sign in with each of the following providers on an OpenID enabled website. (When you see bold text, you should replace it with your own username or screenname on that service.)
Look for the “Sign in with a Google Account” button or use your Google Profile URL.
mixi is a web service that allows users to communicate with their friends and acquaintances.
In addition, there are several dedicated OpenID providers that are generally recommended by various members of the community. While not a comprehensive list, each of these providers offers a free and secure OpenID to use across the web.
Chi.mp allows you to create your own social hub on an OpenID domain you own and control.
ClaimID is an easy way to manage your online identity with OpenID.
myID.net is an OpenID provider with support for groups and the Korean language.
myOpenID is the first standalone provider for both individuals and businesses, with secure multi-factor authentication.
VeriSign’s Personal Identity Provider is an OpenID provider with support for multi-factor authentication.
Your Internet ID lets you build a social identity to use on the web.
Of course, you can always use your own URI, blog URL or website as your OpenID. Delegation is the simplest way to get up and running with OpenID, and Sam Ruby wrote a great tutorial.
Delegation requires nothing more than an OpenID Provider and some basic HTML. If you want to host your own OpenID Provider, you’ll also need some coding experience.