http://blogs.msdn.com/b/mcsuksoldev/archive/2012/11/02/azure-access-control-services-creating-a-custom-identity-provider.aspx http://blogs.technet.com/b/meamcs/archive/2011/12/19/securing-wcf-services-with-custom-wif-sts-a-step-by-step-guide.aspx http://bitblits.wordpress.com/2011/08/01/implementing-windows-identity-foundation-wif-into-azure-using-appfabric-acs/ http://msdn.microsoft.com/en-us/library/gg328483.aspx http://blogs.perficient.com/microsoft/2010/12/sign-into-sharepoint-2010-with-facebook-using-a-custom-sts/ https://github.com/manoj-kumar1/auth-against-crm-using-STS --

Using LinkedIn as an Identity Provider for SharePoint 2010

Using LinkedIn as an Identity Provider for SharePoint 2010