Stop building auth.
Start shipping product.
A production-grade B2B SaaS starter — passkeys, 2FA, organizations, RBAC and per-seat billing — wired up on Next.js, Convex and Better Auth. Working the moment you clone it.
$ git clone unstack-pro && cd unstack-pro
$ bun install && bun convex dev
✓ Auth · Orgs · RBAC · Billing — wired up
✓ 50+ components · dark mode · transactional emails
→ bun dev ready in 1.2s
Built on tools you already trust
A best-in-class stack, pre-integrated
Better Auth
Passkeys, 2FA, organizations and OAuth-ready — 10+ plugins, pre-wired.
Convex
Type-safe, reactive database with real-time sync out of the box.
Autumn
Organization-scoped subscriptions and per-seat billing.
Everything included
160+ hours of work, already done
The unglamorous foundation every SaaS needs — so you can spend day one on the thing that's actually yours.
Authentication
Every flow users expect, already built and tested.
- Email/Password + Email OTP
- Passkeys with device management
- 2FA with backup codes
- Session management
- HIBP breach detection
Multi-tenant B2B
Organizations, teams and billing that actually scope.
- Per-seat billing via Autumn
- Custom RBAC & permissions
- Teams & member invitations
- Admin impersonation
- Subscription management
UI components
A cohesive, token-driven design system out of the box.
- 50+ pre-built components
- React Hook Form + Zod
- Fully responsive
- Light & dark themes
- React Email templates
Developer experience
Modern tooling, type-safe end to end, zero setup tax.
- Next.js 16 App Router
- Better Auth pre-wired
- Convex type-safe schemas
- Biome + tsgo (Go compiler)
- Upstream template sync
Build vs buy
Weeks of boilerplate, or an afternoon
100–200+ hrs
building from scratch, before your first feature.
- Research docs & wire up the adapter
- Build every auth flow by hand
- Design an RBAC & permissions model
- Integrate & reconcile billing
- Create 50+ components
- Debug & test all of it
~2 hrs
from clone to deployed and yours.
- Clone the repository2 min
- Configure your env10 min
- Deploy to Convex + Vercel15 min
- Make it yours1 hour
- Ship features∞
- Everything elsedone
Organized by feature
100+ files, every one where you'd expect
Authentication & users
- Login, register, reset
- 2FA with backup codes
- Passkey management
- Sessions & audit logs
- Email verification
Organizations & teams
- Multi-org management
- Teams, roles & RBAC
- Member invitations
- Billing & subscriptions
- Admin dashboard
Components & utils
- 50+ reusable components
- Form controls + Zod
- React Email templates
- Custom auth plugins
- Type-safe schemas
One-time payment · lifetime updates · unlimited projects
- Full TypeScript source code
- Lifetime updates & new features
- Unlimited commercial projects
- Discord & email support
Secure checkout via Polar
FAQ
Questions, answered
What's included in the license?
Do I get free updates?
Can I use a different database?
Not really with this version. Convex is tightly integrated into the template. You can check out Unstack Pro for support for more traditional databases like MongoDB, PostgreSQL, and MySQL.
Is support included?
Can I customize everything?
What's your refund policy?
Launch in days, not months
Skip the plumbing. Start with production-ready auth, orgs and billing, and build the part only you can.
One-time payment • Lifetime updates • No subscriptions
