sentence: features acs has the following features integration with windows identity foundation ( wif ) support for popular web identity providers including windows live id , google , yahoo , and facebook support for active directory federation services ( ad fs ) 2.0 support for oauth 2.0 ( draft 10 ) , ws-trust , and ws-federation protocols support for the saml 1.1 , saml 2.0 , and simple web token ( swt ) token formats integrated and customizable home realm discovery that allows users to choose their identity provider an open data protocol ( odata ) - based management service that provides programmatic access to the acs configuration a browser-based management portal that allows administrative access to the acs configuration web platform support acs supports all modern web platforms such as .net framework , php , python , java and ruby .