SSO

Connecting WS-Fed (WIF) based apps to Auth0

WS-Federation has been supported in Auth0 for quite some time. After all, it is the protocol used by SharePoint, MS-CRM, Rights Management Server, all of them supported by Auth0 from the very beginning

SSO

A much better People Picker for SharePoint

When you claims enable SharePoint with Auth0, you also get an enhanced People Picker. This is optional, because it doesn't intervene in the authentication process