---
title: "Auth.js"
description: "Authentication tooling with integrations for frameworks including Next.js."
pagination: false
---

{/* Generated from content/. Edit the catalog, not this page. */}

<PurposeNote title="Good for">Adding provider-based sign-in and session handling to a web application.</PurposeNote>

## 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

<div data-pagefind-ignore>

- [Auth0](/auth/auth0) — Supporting multiple sign-in providers across web and mobile applications.
- [Better Auth](/auth/better-auth) — Implementing accounts and sessions with an extensible application-owned auth layer.
- [Clerk](/auth/clerk) — Adding account screens and session handling to a React application.
- [FusionAuth](/auth/fusionauth) — Applications that need control over identity deployment and configuration.
- [IntegrationOS AuthKit](/auth/integrationos-authkit) — Building an account-connection flow for third-party services.

</div>

## Source

[Project source for Auth.js ↗](https://authjs.dev/)

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

[Add user accounts →](/tasks/add-user-accounts)

[All authentication &amp; identity options →](/auth)