7 Best Alternatives to NextAuth.js in 2026

Why look beyond NextAuth.js

NextAuth.js, now referred to as Auth.js when discussing its framework-agnostic core, offers a comprehensive toolkit for implementing authentication in web applications, with a notable emphasis on Next.js projects. Its open-source nature and support for various OAuth providers, email/password, and database adapters provide a high degree of flexibility for developers. However, specific project requirements might lead teams to explore alternatives.

Reasons for considering other solutions include the desire for a fully managed service that offloads infrastructure and security responsibilities, which can be particularly appealing for smaller teams or projects with strict compliance needs. Some teams may require more extensive out-of-the-box features, such as advanced user management UIs, multi-factor authentication (MFA) beyond basic configurations, or built-in authorization capabilities that go beyond simple session management. Additionally, projects built on different frontend frameworks or backend technologies might find a more native or integrated authentication solution elsewhere, reducing the overhead of custom integration. Evaluating these factors helps determine if a different platform aligns better with a project's technical and operational goals.

Top alternatives ranked

1. 1. Clerk — Frontend-first authentication for React, Next.js, and Remix

   Clerk provides a complete suite of user management and authentication features designed with a frontend-first approach. It offers pre-built React components for common authentication flows like sign-in, sign-up, and user profile management, which can accelerate development. Clerk supports various authentication methods, including social logins, email/password, and magic links, and integrates with frameworks such as Next.js, React, and Remix. Its focus on developer experience includes a comprehensive dashboard for managing users, roles, and permissions, along with robust security features like session management and multi-factor authentication (MFA). Clerk's managed service handles the complexities of authentication infrastructure, allowing developers to focus on application logic rather than security upkeep.

   Clerk is particularly well-suited for applications where rapid development of user-facing authentication UIs is a priority. Its component-based approach simplifies integration into modern frontend frameworks. Teams looking for a fully managed solution that minimizes backend authentication work and provides strong security defaults will find Clerk a compelling option. For more details, consult the Clerk documentation overview.

   Best for:

   • Frontend-heavy applications needing pre-built UI components
   • Teams prioritizing rapid development and managed authentication
   • Next.js, React, and Remix projects

2. 2. Auth0 — Extensible identity platform for developers

   Auth0 is an independent product identity platform that offers authentication, authorization, and user management as a service. It supports a wide array of authentication protocols, including OAuth 2.0, OpenID Connect, and SAML, making it suitable for complex enterprise environments. Auth0 provides SDKs for various programming languages and frameworks, along with a customizable Universal Login page that simplifies the user experience. Its extensibility is a key feature, allowing developers to add custom logic through "Actions" (formerly Rules and Hooks) to tailor authentication flows, integrate with external systems, and implement advanced security measures.

   Auth0 is ideal for organizations requiring a scalable, enterprise-grade identity solution with extensive integration capabilities and centralized user management. It caters to a broad spectrum of use cases, from consumer-facing applications to internal enterprise systems. Developers seeking a robust platform that can handle diverse authentication requirements and offers significant customization through its extensibility model will find Auth0 a powerful choice. Further information is available on the Auth0 documentation portal.

   Best for:

   • Enterprise applications with complex identity requirements
   • Projects needing extensive customization and integration
   • Organizations seeking a managed, scalable identity platform

3. 3. Supabase Auth — Open-source authentication as a service

   Supabase Auth is part of the broader Supabase open-source backend-as-a-service platform, offering authentication and user management built on top of PostgreSQL. It provides a comprehensive set of features, including email/password, social logins, magic links, and phone authentication. Supabase Auth integrates seamlessly with other Supabase services, such as its real-time database and storage, providing a unified backend experience. Being open-source, it offers transparency and the option for self-hosting, appealing to developers who prefer greater control over their infrastructure.

   Supabase Auth is an excellent choice for developers building full-stack applications who value an open-source ecosystem and a unified backend. Its integration with PostgreSQL allows for direct database interaction and custom user data management. Teams already using or considering Supabase for their database and other backend needs will find Supabase Auth a natural fit, providing a coherent and developer-friendly experience. Explore the capabilities through the Supabase Auth documentation.

   Best for:

   • Developers building full-stack applications with PostgreSQL
   • Teams preferring open-source and self-hostable solutions
   • Projects seeking a unified backend-as-a-service platform

4. 4. Express — Minimalist web framework for Node.js

   Express.js is a minimalist and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. While not an authentication solution itself, Express serves as a foundational layer upon which custom authentication systems can be built using middleware like Passport.js or JWT libraries. This approach offers maximum control over the authentication process, allowing developers to implement highly specific security policies and integrate with any identity provider or database.

   Express is suitable for projects that require a highly customized authentication backend or for developers who prefer to build their authentication logic from the ground up rather than relying on a managed service. It's often chosen by teams with strong Node.js expertise who need fine-grained control over every aspect of their server-side application. The flexibility of Express allows for integration with various authentication strategies, making it adaptable to diverse security requirements. Detailed installation and usage guides are available on the Express.js getting started page.

   Best for:

   • Custom authentication implementations with Node.js
   • Developers needing maximum control over backend logic
   • Projects where existing authentication libraries are integrated manually

5. 5. Axios — Promise-based HTTP client for the browser and Node.js

   Axios is an HTTP client that operates in both browser and Node.js environments, offering a promise-based API for making HTTP requests. While not an authentication solution itself, Axios plays a crucial role in implementing custom authentication flows, particularly when interacting with backend authentication APIs. It allows developers to send credentials, retrieve tokens, and handle authenticated requests with features like interceptors for automatically adding authorization headers or refreshing expired tokens. This capability is fundamental when building client-side authentication logic or integrating with external identity providers.

   Axios is an essential tool for developers building applications that consume RESTful APIs, especially when implementing token-based authentication (e.g., JWT). Its request and response interceptors are invaluable for managing authentication state, such as attaching access tokens to outgoing requests or handling token expiration. Teams that prefer to build their authentication frontend logic and interact directly with a custom backend or third-party authentication service will find Axios indispensable for managing network requests. Refer to the Axios introduction documentation for more information on its features.

   Best for:

   • Implementing custom client-side authentication logic
   • Interacting with RESTful authentication APIs
   • Managing tokens and authenticated HTTP requests

Side-by-side

How to pick

Selecting the right authentication solution involves evaluating several factors, including your project's technical stack, team expertise, security requirements, and budget. Here’s a decision-tree style guide to help you navigate the options:

• Are you building a new Next.js, React, or Remix application and want to minimize authentication development time?
  • Consider Clerk for its pre-built UI components and managed service, allowing rapid integration and offloading of authentication infrastructure.
• Do you require an enterprise-grade identity platform with extensive customization, advanced security features, and support for complex authentication protocols (e.g., SAML for B2B)?
  • Auth0 is likely the best fit due to its robust feature set, extensibility through Actions, and strong focus on security and compliance for large-scale deployments.
• Are you already using or planning to use Supabase for your database and other backend needs, and prefer an open-source, unified backend-as-a-service?
  • Supabase Auth offers seamless integration within the Supabase ecosystem, leveraging PostgreSQL for user management and providing a coherent developer experience.
• Do you need maximum control over your backend authentication logic, building a custom system on Node.js, and integrating specific authentication libraries manually?
  • Building on Express provides the flexibility to craft a highly tailored authentication solution, giving you full command over the server-side implementation.
• Is your primary need to handle HTTP requests for client-side or server-side interactions with an existing authentication API, including managing tokens and intercepting requests?
  • Axios is an essential utility for these tasks, providing a powerful and flexible way to manage network communication in authentication flows.
• Do you have specific compliance requirements (e.g., HIPAA, GDPR) that necessitate full control over data residency and infrastructure, or do you prefer to avoid vendor lock-in with managed services?
  • NextAuth.js (Auth.js) and self-hosted Supabase Auth or custom solutions built with Express offer greater control over data and infrastructure, which can be critical for strict regulatory environments.
• Is your team small, with limited resources for maintaining authentication infrastructure and security updates?
  • Managed services like Clerk or Auth0 can offload significant operational burden, allowing your team to focus on core product development.