nrwplay/better-auth

Better Auth is a comprehensive, framework-agnostic authentication and authorization library for TypeScript that provides extensive features out of the box with a plugin ecosystem for advanced functionalities. It's designed for TypeScript developers who want robust authentication capabilities without reinventing the wheel, offering solutions for complex requirements like 2FA and multi-tenant support while minimizing boilerplate code. The project aims to solve the fragmented state of TypeScript authentication by providing a unified, community-driven solution that handles both basic and advanced authentication needs efficiently.