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Next Auth

Author Avatar Theme by Nextauthjs
Updated: 18 May 2025
26809 Stars

Authentication for the Web.

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Overview:

Auth.js is a set of open-source packages that provide authentication functionality for modern applications using any framework on any platform in any JS runtime. It offers a flexible and easy-to-use solution, designed to work with any OAuth service and support various sign-in methods. Auth.js can be used with or without a database and supports popular databases like MySQL, MariaDB, Postgres, Microsoft SQL Server, MongoDB, and SQLite. It prioritizes security by promoting passwordless sign-in mechanisms, using CSRF tokens and encrypted JSON Web Tokens. The libraries are written in TypeScript for added type safety.

Features:

  • Flexible and easy to use: Designed to work with any OAuth service, supports 2.0+ and OIDC.
  • Built-in support for many popular sign-in services: Includes support for popular sign-in services to streamline the authentication process.
  • Email/Passwordless authentication: Offers email-based authentication and passwordless sign-in methods.
  • Bring Your Database - or none!: Provides stateless authentication with support for various backend systems such as Active Directory and LDAP.
  • Runtime-agnostic, runs anywhere!: Compatible with multiple JS runtimes including Vercel Edge Functions, Node.js, and Serverless.
  • Own your data: Allows you to use Auth.js with or without a database, giving you control over your data. Offers built-in support for multiple databases.
  • Secure by default: Encourages best practices for safeguarding user data. Uses CSRF tokens, implements restrictive cookie policies, and encrypts JSON Web Tokens.
  • Features tab/window syncing and session polling: Supports short-lived sessions and aims to implement the latest security guidance.
  • Advanced configuration: Provides the ability to define custom routines for handling account sign-in, encoding and decoding JSON Web Tokens, and setting custom cookie security policies and session properties.
  • TypeScript: Auth.js libraries are written with type safety in mind, ensuring a robust and reliable authentication solution.

Installation:

To install Auth.js and its related packages, follow the steps below:

  1. Install Auth.js using npm:
npm install @authjs/core
  1. Install any additional framework-specific libraries if needed:
npm install @authjs/[library-name]
  1. Configure Auth.js in your application according to the documentation provided.

For more information on how to use Auth.js and its various features, refer to the official documentation.

Summary:

Auth.js is a versatile authentication solution that can be seamlessly integrated into modern applications. It offers a wide range of features including support for various sign-in services, passwordless authentication, and the ability to work with or without a database. Security is a top priority, with measures in place such as CSRF tokens, restrictive cookie policies, and encrypted JSON Web Tokens. With its flexibility, ease of use, and compatibility with multiple platforms and frameworks, Auth.js provides developers with a reliable and customizable authentication solution.