StarterKitPro
Next.js SaaS toolkit: auth, payments, UI, launch fast

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What Is StarterKitPro?
StarterKitPro is a production-ready Next.js starter kit that wipes out weeks of boilerplate work—auth flows, payment handling, emails, databases, SEO and even AI coding rules—so indie hackers can launch profitable SaaS apps in days.
Features ✨
Authentication: NextAuth with Google, GitHub and Magic-Link logins
Payments: Stripe or Lemon Squeezy subscriptions, one-offs & webhooks built-in
AI helpers: Cursor/Windsurf rules and OpenAI endpoints ready to roll
SEO engine: Auto meta tags, OG images, sitemap & structured data
Performance: Clean Next.js App Router codebase and Tailwind + shadcn/ui components
Components 📒
60 + polished UI sections & layouts for landing, pricing, blog, docs
Markdown/MDX blog with autogenerated TOC & OG images
Pre-written email templates (Resend / SendGrid) with spam-safe DNS setup
Database seeds for MongoDB or Postgres—swap any time
Pros and Cons
Pros ✅
Shaves dozens of hours off auth, payments and email setup
One-time $99 licence, unlimited projects, lifetime updates
Modular—you can rip out or swap services without code bloat
Active maker support (over 180 launches already.
Cons ⚠️
Still requires basic Next.js knowledge to customise
Self-hosted DB setup means DevOps effort if you avoid SaaS DBs
Not open-source; code access is paid
UI library opinionated around Tailwind/shadcn—may need restyling for other stacks
Integration
NextAuth (Auth.js): Google, GitHub, Magic Link login flow
Stripe / Lemon Squeezy: subscriptions, trials, usage webhooks
Resend or SendGrid: React-email templates + DKIM/SPF pre-config
MongoDB / PostgreSQL: drop-in switch via env variables
Cloudinary / S3 for secure file uploads out of the box
FAQ
How long does setup take?
Most users spin up a branded SaaS shell in under an hour thanks to scripts and docs.
Can I use my own database?
Yes, swap MongoDB for Postgres (or vice-versa) by changing a single env file.
Is there AI support?
Cursor/Windsurf rules and OpenAI helpers are pre-installed for code-gen and chat features.