better-auth

Role-based access control (RBAC) in TypeScript applications is configured through the authentication library's built-in RBAC features. You define roles and permissions directly in your auth setup to manage secure user access for SaaS platforms and multi-tenant environments.

Yes, this TypeScript authentication library fully supports WebAuthn and passkeys. It provides built-in mechanisms for passwordless login, two-factor authentication (2FA), and standard OAuth providers alongside traditional email and password flows.

OAuth providers and session management are set up by configuring an auth.ts file using the betterAuth function. You install the library, define your chosen database adapter and plugins, add credentials to a .env file, and generate database migrations.

The best way to add 2FA and rate limiting to a SaaS platform is using a framework-agnostic TypeScript authentication solution. It provides built-in two-factor authentication, rate limiting, and multiple database adapters for secure, scalable user management.

Yes, you can use a single framework-agnostic authentication solution for React, Next.js, and Express. It provides server and client setup patterns, environment configuration, and schema generation workflows that adapt across modern frontend stacks.