A production-ready SaaS starter kit that handles authentication, billing, multi-tenancy, RBAC, and team collaboration — so you can focus on building your product, not boilerplate.

• Next.js 14 + App Router – Modern, scalable React framework.
• Auth.js – Flexible authentication strategy.
• Drizzle ORM – Type-safe, lightweight, and SQL-first.
• PostgreSQL – Reliable relational database.
• Stripe Integration – Subscription & metered billing.
• Multi-tenancy – Isolated tenant data with slug-based routing.
• RBAC (Role-Based Access Control) – Granular permissions.
• Team Management – Invite members, assign roles.
• Email Automation – Welcome emails, team invites.
• Admin Dashboard – Manage tenants, users, and subscriptions.
• API Routes – For auth, billing, and tenant management.

pnpm install

Create .env:

DATABASE_URL="postgresql://user:pass@host:port/db"
NEXTAUTH_SECRET="your-secret"
STRIPE_SECRET_KEY="your-stripe-secret"
STRIPE_WEBHOOK_SECRET="your-webhook-secret"
EMAIL_SERVER="smtp://..."
EMAIL_FROM="noreply@yourapp.com"

pnpm drizzle-kit generate
pnpm drizzle-kit push

pnpm dev

If you’re launching a SaaS:

1. Clone this repo.
2. Customize the marketing pages in src/app/(marketing).
3. Modify DB schemas in src/db/schema to fit your domain.
4. Implement your business logic inside src/lib.
5. Deploy to Vercel, AWS Lambda, or Cloudflare Workers.

• Vercel: Push to GitHub and connect repo.
• AWS Lambda: Use @vercel/nft for bundling.
• Cloudflare Workers: Use next-on-pages.

• Next.js
• Drizzle ORM
• Auth.js
• Stripe
• Tailwind CSS

MIT — free to use in personal and commercial projects.