Libraries for handling user authentication in Next.js

There are several libraries and services you can consider for handling user authentication in Next.js. Here are a few popular options:

1. NextAuth.js: NextAuth.js is a widely used authentication library for Next.js applications. It provides a simple and flexible way to implement various authentication methods, including OAuth, JWT, and more. NextAuth.js supports authentication with popular providers like Google, Facebook, GitHub, and allows for custom authentication strategies.
2. Firebase Authentication: Firebase Authentication is a fully managed authentication service provided by Google. It offers a comprehensive set of authentication features, including email/password authentication, social login with providers like Google, Facebook, and Twitter, and support for multi-factor authentication (MFA). Firebase Authentication integrates well with Next.js applications and provides easy-to-use SDKs.
3. Auth0: Auth0 is a popular authentication and authorization service that provides secure and customizable authentication solutions. It supports various authentication methods, including social logins, username/password, and multi-factor authentication. Auth0 offers SDKs and plugins for Next.js, making it straightforward to integrate and handle user authentication.
4. AWS Cognito: Amazon Cognito is a fully managed user authentication and authorization service provided by AWS. It supports secure user sign-up, sign-in, and access control for web and mobile applications. AWS Cognito integrates well with Next.js applications and offers features like social logins, user management, and custom authentication flows.
5. Okta: Okta is an identity management platform that provides authentication and authorization services. It offers features like social logins, multi-factor authentication, and user management. Okta has SDKs and libraries that can be used with Next.js to handle user authentication seamlessly.
6. Passport.js: Passport.js is a popular authentication middleware for Node.js applications, including Next.js. It provides a flexible and modular approach to authentication and supports various authentication strategies, including OAuth, local username/password, and more. Passport.js can be integrated into Next.js applications to handle user authentication.

These libraries and services provide different features and capabilities for user authentication. Consider your specific requirements, such as authentication methods, social logins, multi-factor authentication, and integration simplicity, when choosing the most suitable option for your Next.js application.