OAuth 2.0 User-Agent with Social Sign On Flow would typically be used by a native or hybrid mobile app allowing social registration / sign on Used by MobileSDK Read more about OAuth 2.0 User-Agent with Social Sign On
OAuth 2.0 User-Agent with SAML As above, my domain is required to support this flow Read more about OAuth 2.0 User-Agent with SAML
OAuth 2.0 Web Server with SAML My domain is required, as the authentication part is an application of the SP-initiated SAML flow Read more about OAuth 2.0 Web Server with SAML