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Alternatives / AI Tools

Clerk alternatives

4 comparable AI tools to clerk— each with what actually sets it apart, reviewed on Stork.

The best alternatives to Clerk are Auth.js, Lucia Auth, Supabase Auth and Firebase Authentication. Each is an AI tool with a distinct edge — pricing, output quality, or workflow — detailed below and reviewed on Stork.

  • It is a highly flexible and extensible authentication library for web applications, supporting many providers and databases.

  • It is a small, simple, and highly flexible authentication library that is framework-agnostic and gives developers full control over the database and UI.

  • It provides authentication as part of a complete open-source backend-as-a-service platform, including a PostgreSQL database, storage, and real-time capabilities.

  • It offers a robust, scalable authentication service with SDKs for various platforms, integrated into the broader Firebase ecosystem of backend services.

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