SuperTokens

Authentication tooling with open-source and hosted deployment options.

What it does

Authentication tooling with open-source and hosted deployment options.

Adding login and session features with control over the backend deployment.

Auth.js — Adding provider-based sign-in and session handling to a web application.
Auth0 — Supporting multiple sign-in providers across web and mobile applications.
Better Auth — Implementing accounts and sessions with an extensible application-owned auth layer.
Clerk — Adding account screens and session handling to a React application.
FusionAuth — Applications that need control over identity deployment and configuration.

Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.