Better Auth

This authentication framework solves the problem of implementing secure user authentication and authorization in web applications. It is designed for developers building applications on frameworks like Next.js, Nuxt, SvelteKit, and others, targeting both startups and enterprises. The framework is open-source, plugin-based, and composable, with an optional infrastructure offering for dashboard and enterprise features.

Key features

• Works with 20+ frameworks including Next.js, Nuxt
• Built-in credential auth with email verification
• Social sign-on via Google, GitHub, Apple, Discord
• Multi-tenancy with teams and access control
• Enterprise SSO, SAML, SCIM, directory sync
• Supports passkeys, magic links, API keys, JWTs
• Auth for AI agents with token exchange
• Security observability with bot detection
• User management for sessions and organizations
• Plugin ecosystem for two-factor and passkey