Stop Building Auth.
Start Building Products.
Authentication done right. Email/Password, OTP, Passkeys, 2FA, Org Billing, and RBAC — all working out of the box.
160 hours of work, perfected for every project.
Features
Everything You Need
Complete B2B SaaS starter with 160+ hours of work already done
Authentication
- Email/Password + Email OTP
- Passkeys with device management
- 2FA with backup codes
- Session management
- HIBP breach detection
Multi-Tenant B2B
- Per-seat billing
- Custom RBAC
- Team management
- Member invitations
- Subscription management
UI Components
- 50+ pre-built components
- React Hook Form
- Fully responsive
- Dark mode
- Email templates
Developer Experience
One-time payment. Lifetime updates. Full source code.
Stack
Modern Tools
Built with the best in the ecosystem
Better Auth
Flexible auth framework with 10+ pre-configured plugins.
Autumn
Modern billing for org-scoped subscriptions.
Convex
Type-safe database with real-time sync.
Resend
Email API with React Email templates.
HeroUI
Pre-styled, customizable UI components.
shadcn/ui
Radix primitives with Tailwind CSS.
Comparison
Build vs Buy
Building From Scratch
- Research docs & setup
- Build all auth flows
- Implement RBAC system
- Wire up billing
- Create 50+ components
- Debug & test everything
Estimated time
100-200+ hours
Using Unstack Pro
- Clone repository — 2 min
- Configure env — 10 min
- Deploy — 15 min
- Customize — 1 hour
- Add features — ∞
- Everything else — Done
Total time
~2 hours
Save 200+ hours and focus on what makes your product unique.
Organization
Clean Structure
Every file has its place
Authentication & Users
- Login, Register
- 2FA with backup codes
- Passkey management
- Session & audit logs
- Profile settings
- Email verification
Organizations & Teams
- Multi-org management
- Team creation & roles
- Member invitations
- RBAC with custom roles
- Billing & subscriptions
Components & Utils
- 50+ reusable components
- Form controls
- Email templates
- Custom auth plugins
- Utility functions
- Type-safe schemas
100+ TypeScript files organized by feature
Launch in Days,
Not Months
Stop rebuilding auth. Get production-ready components and focus on what matters.
One-time payment • Lifetime updates • No subscriptions
FAQ