OpenID endpoints

openid

I would like to allow users to log in into my website with OpenID. So far I have integrated Google and Yahoo.

What other popular services are offering OpenID login endpoints? I'm particulary interested in Windows Live (but from what I've seen they recently closed the endpoint, and I couldn't find any information about new one). What about social websites, like Facebook or Twitter?

I have seen the OpenID Directory but I didn't find any useful information.

Best Solution

Here are some OpenId endpoints :

These following services are not OpenId providers and have their own authentication flow :

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