Build Multi-App Platforms with Seamless Auth
Deploy multiple applications with shared authentication. One login, access everywhere. Built for scale with cross-subdomain session management.
Everything you need for multi-app auth
Built on Better Auth with Express and Next.js. Production-ready, secure, and scalable.
Cross-Subdomain Sessions
One login works across all your subdomains. Users authenticate once and access all your apps seamlessly.
Multi-App Support
Deploy unlimited applications on different subdomains, all sharing the same authentication system.
Session Sync Across Tabs
Login in one tab, automatically authenticated in all others. Logout anywhere, logged out everywhere.
Remember Me
Long-lived sessions with secure cookie management. Stay logged in across devices and browsers.
Single Sign-Out
One logout clears sessions across all your applications. Complete security with one click.
Enterprise Ready
2FA, passkeys, organization management, and role-based access control built-in.
Ready to build your multi-app platform?
Start with our production-ready template. Deploy in minutes, scale to millions.