kromph Would like to second this. The auth0 libraries make it trivially easy to set up SSO between apps. Also opens up a lot of interesting possibilities — Slack-like "magic link" authentication, 2 factor auth, direct integration with database-as-a-service providers, etc. https://auth0.com/docs https://auth0.com/docs/connections/passwordless https://restdb.io/docs/authentication-of-external-users
