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 M¢25  Funded By Mahalo ? |  August 27, 2009 09:48 AM

Who are different 'Open ID' providers?

I know Facebook login is becoming more and more common. What other forms of open id are their?
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gamemaster... gamemaster...
 
 August 27, 2009 11:04 AM
Wikipedia has a list of OpenID providers in one of their articles, located here: http://en.wikipedia.org/wiki/List_of_OpenID_providers

In addition to OpenID there is OAuth, which is mostly the same idea. Twitter currently provides this, I'm not sure about anyone else. There is a list of who is expected to use it on http://oauth.net/about/ under "Who is Going to Use it?"
Source(s):
http://en.wikipedia.org/wiki/List_of_OpenID_providers
http://oauth.net/about/

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phryne phryne
 
August 27, 2009 04:17 PM
The point of OpenID is that you don't necessarily need a specific provider. Anybody can provide OpenID with very little infrastructure. It piggy-backs on top of whatever "authentication" (that is, log-in) mechanism you already have for that site. So any site that provides log-ins can be an OpenID provider easily.

So just about any blog, email, or social networking site is potentially an OpenID provider, and most are. A few, off the top of my head:
* Google
* Yahoo
* Livejournal
* Facebook
* AOL

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christhoms... christhoms...
 
August 27, 2009 06:18 PM
There are many popular OpenID providers, some of which are dedicated providers, and others than offer OpenIDs in addition to other services. Here are some of the popular ones:

* MyOpenID - http://myopenid.com (authentication uses yourname.myopenid.com)
* Google - (use existing account, and this URL for authentication: http://google.com/accounts/o8/id )
* Yahoo! - (use existing account, and this URL for authentication: http://yahoo.com) - more info at http://openid.yahoo.com/
* WordPress.com - (use existing account, and blog address for authentication)

Interestingly, Facebook is not an OpenID provider currently, but it is an OpenID relying party (it accepts OpenID).

For some other OpenID providers, here are some links containing overviews of popular providers:
* Spread OpenID: Provider Comparison
* Wikipedia: List of OpenID Providers
* Official OpenID site: Get an OpenID
Source(s):
http://openid.yahoo.com
http://wordpress.com
http://facebook.com
http://spreadopenid.org/provider-comparison/
http://en.wikipedia.org/wiki/List_of_OpenID_providers
http://openid.net/get-an-openid/


Tags: openid, providers

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christhoms... christhoms...
 
August 27, 2009 10:27 PM
I should add: Facebook has their own authentication scheme for other sites (Facebook Connect), but it's not built on top of the OpenID standard. Google Friend Connect is a similar service, but it's also not built on top of the OpenID standard. Twitter has a Sign in with Twitter service, but it's not quite as polished as the other systems, and it relies on OAuth, which is a standard for token-based authentication. OAuth was actually born out of OpenID, because you can't authenticate with an API with OpenID using password authentication, so OAuth was developed to solve that problem by requiring the user to authenticate on the OAuth service provider's site (in this case, Twitter), which would then pass an access token on to the third party site.

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