Next.js SaaS Starter Kit — Auth, Billing, Dashboard, Email & Docs

A clean Next.js starter for founders launching paid web apps faster with auth, billing, dashboard pages, email templates, and docs already structured. Instead of losing time stitching together authentication, subscriptions, email flows, dashboard pages, and docs, buyers get a clean structure they can customize for their real product.

Launch your SaaS faster with a clean Next.js foundation that already includes the recurring pieces most founders rebuild every time.

Best for

- Indie SaaS founders

- AI product builders

- Marketplace founders

- Agencies shipping client SaaS MVPs

- Developers who want a cleaner starting point than a blank repo

What is included

- Next.js App Router starter project

- Auth scaffold with Auth.js

- Billing routes for Stripe checkout, portal, and webhooks

- Dashboard shell with overview, billing, and settings pages

- Email helper + React Email welcome template

- Markdown-powered docs section

- Prisma schema for users, sessions, accounts, and subscriptions

- Setup guide

- Integration checklist

- Deployment checklist

- Launch copy pack

Add-ons included

- Launch copy pack

- Integration checklist

- Deployment checklist

What you still need to do

- add API keys and secrets

- configure a database

- customize branding and pricing

- connect live Stripe products

- update docs and product content

FAQ

Is this beginner friendly?

Yes, for buyers who are comfortable editing a Next.js project and adding environment variables.

Is billing already connected?

The Stripe routes are structured, but buyers still need to add live keys, price IDs, and webhook secrets.

Does it include a database schema?

Yes. Prisma schema files are included.

Can this be used for commercial products?

Yes. Buyers can build commercial end products from it, but they may not resell the original starter kit files.