Better Auth — #3 Alternative to Auth0
Comprehensive MIT-licensed TypeScript authentication framework in your own DB
Runs directly inside Node, Next.js, Hono, or Express over Drizzle/Prisma/Postgres—shipping 2FA, passkeys, organizations, and SAML SSO with zero third-party vendor.
License: MIT · Pricing: Free & Open Source · Compare all Auth0 alternatives · Official Website