The most comprehensive authentication library for TypeScript
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Note: 🚧 This project is currently in beta. Features and APIs may change.
Better Auth is framework-agnostic authentication (and authorization) library for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in short amount of time. Whether you need 2FA, multi-tenant support, or other complex features. It lets you focus on building your actual application instead of reinventing the wheel.
Authentication in the TypeScript ecosystem is a half-solved problem. Other open-source libraries often requires a lot of additional code for anything beyond basic authentication. Rather than just pushing third-party services as the solution, I believe we can do better as a community—hence, Better Auth.
- Be Comprehensive: save users from reinventing the wheel as much as possible.
- Prioritize Best Practices: provide best practices rather than overwhelming configuration options.
- Framework Agnostic: Support most frameworks and avoid framework specific features and solutions if possible.
- Consistency: Provide a consistent and predictable API across all platforms
- Type Safety: Value type-safety and embrace typescript magic when necessary.
- JWT-Based Authentication: We won’t support JWT-based auth unless provided by a third-party plugin.
- Extensive Customization: Our focus is on giving you opinionated, best-practice defaults, rather than enabling deep customization.
Better Auth is free and open source project licensed under the MIT License. You are free to do whatever you want with it.
You could help continuing its development by:
If you discover a security vulnerability within Better Auth, please send an e-mail to security@better-auth.com.
All reports will be promptly addressed, and you'll be credited accordingly.