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Better Auth is an open-source TypeScript authentication framework that enables developers to embed fully customizable authentication directly into their own codebase and database, eliminating vendor lock-in from platforms like Auth0 and Firebase. It supports email/password, social sign-on, multi-factor authentication, multi-tenant organizations, session management, and an extensible plugin ecosystem, and is compatible with major frameworks including Next.js, React, Vue, Svelte, Nuxt, and more.

Company Founded in 2025

SaaS