supastarter uses [Better Auth](https://www.better-auth.com/) for authentication. It provides a comprehensive set of authentication features out of the box:

- Email/password login
- Social OAuth (Google, GitHub)
- Magic link authentication
- Passkey support (WebAuthn)
- Two-factor authentication (TOTP)
- Organization management with invitations
- Admin role and admin UI

The authentication configuration is located in `packages/auth/auth.ts` and the feature flags are in `packages/auth/config.ts`.

<Cards>
  <Card title="oAuth" href="/docs/nuxt/authentication/oauth" target="_self" />
  <Card
    title="Permissions and access control"
    href="/docs/nuxt/authentication/permissions"
    target="_self"
  />
  <Card
    title="Superadmin & Admin UI"
    href="/docs/nuxt/authentication/superadmin"
    target="_self"
  />
  <Card
    title="Organizations"
    href="/docs/nuxt/organizations/overview"
    target="_self"
  />
</Cards>