SimpleAuthentication.ExtraProviders (nuget): Used with SimpleAuthentication, this adds additional provider support:  1. GitHub 2. Amazon 3. 37 Signals 4. LinkedIn 5. OpenId.
Keywords: authentication|github|amazon|37signals|thirtysevensignals|basecamp|highrise|linkedin|openid|oauth|oauth1|oauth2|unicorn|magicalunicorn|magical-unicorn|worlddomination|worldomination|deprecated|obsolete