Auth0
Configure an Auth0 application and point a self-hosted MFE Orchestrator at it, so users sign in with Auth0 instead of an email and password.
Azure AD (Entra ID)
Register an application in Microsoft Entra ID (Azure AD) and point a self-hosted MFE Orchestrator at it, so users sign in with their organisation account.
Create a Google OAuth 2.0 client and point a self-hosted MFE Orchestrator at it, so users sign in with their Google account.