Auth.js
Authentication tooling with integrations for frameworks including Next.js.
What it does
Authentication tooling with integrations for frameworks including Next.js.
When it fits
Adding provider-based sign-in and session handling to a web application.
Other options in this category
- 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.
- IntegrationOS AuthKit — Building an account-connection flow for third-party services.
Source
Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.