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25

answers:

1
+3  Q: 

How does the federated login on stackoverflow work? Is there an available library that is as refined?

The quick login/no registration of stackoverflow is one of its finest features. I'm just curious if there's an off-the-shelf solution for providing this service.

Has anybody seen anything?

+3  A: 

It's called OpenID. Anybody can define an OpenID, and anybody can use any OpenID for authentication. Visit http://openid.net/ for details.

VoteyDisciple  2010-10-16 13:23:26

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