AI SaaS Starter Kit

Launch your AI SaaS this weekend

Auth, payments, multi-LLM chat, admin dashboard, email notifications, and usage tracking. All production-ready. Just add your API keys.

One-time purchase. Lifetime updates. Full source code.

Everything you need to ship

Not a generic SaaS kit with AI bolted on. AI is the core. Multi-provider LLM support, streaming, token tracking, and usage limits — built-in from day one.

Multi-LLM Support

OpenAI, Anthropic, Google Gemini. Switch providers with a single env variable.

Auth & Payments

Supabase Auth (Google OAuth + email) and Stripe subscriptions with webhooks, fully wired.

Usage Tracking

Per-user daily limits, token/cost logging, and automatic 80% usage warnings.

Admin Dashboard

User management, subscription stats, and cost overview at a glance.

Email Notifications

Welcome, upgrade, payment failure, cancellation, and usage alerts via Resend.

i18n Ready

English, Korean, Japanese included. Add more languages in minutes.

Docker Ready

Multi-stage Dockerfile + docker-compose. Deploy to any cloud provider.

Beautiful UI

Dark mode default, shadcn/ui components, Tailwind CSS v4. Fully responsive.

Built with modern stack

Industry-standard tools you already know and love.

Next.js 16App Router
React 19Server Components
TypeScriptStrict Mode
SupabaseAuth + Database
StripePayments + Webhooks
AI SDK v6Multi-provider
Tailwind v4Utility CSS
shadcn/uiComponent Library

Clean, organized codebase

Opinionated project structure that scales. Every file has a purpose.

app/
  (marketing)/     Landing, pricing pages
  (auth)/          Login, signup, callback
  (app)/           Dashboard, chat, settings
  (admin)/         Admin dashboard, user management
  api/             Chat, webhooks, admin APIs

components/
  marketing/       Hero, features, pricing
  app/             Sidebar, chat, dashboard
  admin/           Admin sidebar, stats, users
  shared/          Logo, theme, language
  ui/              shadcn/ui components

lib/
  ai/              Multi-provider config
  stripe/          Payments, webhooks, plans
  supabase/        Auth, DB, middleware
  email/           Resend client, templates
  usage/           Tracking, limits, warnings
  admin/           Permission checks
  i18n/            3 languages (EN/KO/JA)

Simple pricing

One-time purchase. No subscriptions. No hidden fees.

Full Source Code
NekoStack

$29 one-time

  • Complete source code
  • All features included
  • Lifetime updates
  • Commercial license
  • Documentation & guides
  • Docker deployment files
Get NekoStack

FAQ

What do I get when I purchase?

You get the complete Next.js source code, documentation, Docker configuration, and all features listed above. Clone, customize, and deploy as your own product.

Can I use it for commercial projects?

Yes. You get a commercial license to build and sell your own products with NekoStack. Build one product per license.

What AI providers are supported?

OpenAI (GPT-4o, GPT-4o Mini), Anthropic (Claude Sonnet), and Google (Gemini 2.0 Flash). Adding more is a few lines of code.

Do I need to use all the features?

No. Every feature is modular and well-documented. Remove what you don't need, keep what you do.

How do I get updates?

You'll receive access to the repository with lifetime updates. Pull the latest changes anytime.

NekoStack

The AI SaaS starter kit for developers who want to ship fast. Multi-LLM chat, usage tracking, and payments built-in.

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