SaaS Boilerplate: Next.js, Node.js & Stripe Starter Kit

H1: SaaSLaunch Kit, the Next.js and Node.js SaaS Boilerplate That Ships With Auth and Stripe Billing

SaaSLaunch Kit is a full-stack SaaS boilerplate built with Next.js, Node.js, Express, and MongoDB. It includes user authentication, Stripe subscription billing, a user dashboard, and a landing page, so you can start from a working product instead of an empty repository.

H2: Why use a SaaS starter kit?

Every SaaS begins with the same groundwork: accounts, password resets, payments, and security. This Next.js SaaS starter kit covers that groundwork, so you can spend your time on the features your customers pay for.

H2: Features

• JWT authentication template: registration, login, logout, forgot and reset password by email
• Secure sessions: short-lived access tokens plus an httpOnly refresh-token cookie
• Stripe subscription boilerplate: customer creation, checkout sessions, and webhook syncing to your database
• SaaS dashboard template: metric cards and tables built with Tailwind CSS
• Role-based access: user and admin roles with a paginated admin user list
• Landing page: clean and easy to customize
• Documentation: setup guide and full API reference

H2: Security best practices included

• bcrypt password hashing
• Account lockout after repeated failed logins
• Rate limiting on auth endpoints
• Input validation on all write routes
• NoSQL-injection protection and Helmet security headers
• Stripe webhook signature verification
• Strict CORS and production-safe error handling

H2: Tech stack

Next.js 14, React 18, Tailwind CSS, Node.js 18+, Express, MongoDB with Mongoose, Stripe, and Nodemailer.

H2: Who is it for?

Freelance developers, indie hackers, agencies, and founders who can code and want a B2B SaaS template they can customize and ship.

H2: What's included

Full source code (frontend and backend), setup guide, API docs, .env.example files, and free v1.x updates.