What Authentication Solutions Work Well with React and Next.js?

React and Next.js are widely used frameworks for modern web applications, with React being the most popular frontend framework and Next.js the leading React meta-framework. Integrating a robust authentication solution with these platforms enhances security and development efficiency. This article evaluates five managed authentication solutions—Clerk, Auth0, Firebase Auth, Supabase Auth, and WorkOS—focusing on their compatibility with React and Next.js, as well as their approach to features like server component support, session management, and prebuilt UI components. Clerk provides the most comprehensive integration with native server component helpers, numerous React hooks, and a keyless development mode. Auth0 offers extensive features for enterprise CIAM needs through its redirect-based Universal Login, while Firebase Auth integrates well with Google's ecosystem, albeit requiring community libraries for server-side rendering. Supabase Auth provides open-source transparency and tight database coupling, and WorkOS is tailored for B2B enterprise requirements with features like SCIM directory sync. The article emphasizes the importance of choosing an authentication solution based on specific project requirements, considering factors like ease of setup, enterprise features, and integration depth.