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Provider-agnostic SaaS kits for SvelteKit, Next.js and Astro: swap Stripe, Polar, Lemon Squeezy or Creem and Postgres or MongoDB freely.
$49Updated Aug 2026
LaunchFast is a family of SaaS starter kits for Astro, Next.js and SvelteKit by Rishi Raj Jain, sold at $49 per framework or $99 for all three. Each kit wires email/password, magic-link and OAuth login, payments through Stripe, Lemon Squeezy, Polar or Creem, and swappable data layers for Postgres, MySQL, MongoDB, Redis, SQLite or Firestore. It also covers pre-signed uploads to S3, R2, Firebase or Supabase, several transactional email providers, analytics, an SEO-ready blog and Starlight docs with Pagefind search.
Quotes as shown on LaunchFast's website.
“it feels good, I love how it's compatible with different 3rd party services, e.g. choose between Firebase or Postgres.”
Fuma Nama
“Hey rishi, its sojin. your boilerplate was helpful. And i really find it saving me a bunch of time and i personally picked up some patterns too. It was such a great experience. please keep doing what you are doing”
Sojin
“Rishi finally raised his prices and he is still way too cheap... One of the best Boilerplates around. Buy one before he raises his prices again”
Janu Lingeswaran
Next.js boilerplate with Google OAuth and magic-link login, Stripe or Lemon Squeezy payments, Mailgun/Resend emails, SEO blog, and MongoDB or Supabase.
Marc Lou · Next.js · Stripe · Lemon Squeezy
Open-source CLI that scaffolds end-to-end type-safe TypeScript projects; pick frontend, backend, API layer, database, ORM, auth, and addons.
Aman Varshney · Next.js, React, TanStack, Nuxt.js, SvelteKit, React Native, Express.js · CLI · Type-safe
Next.js and Supabase starter for AI and SaaS apps with auth, Stripe or Lemon Squeezy subscriptions, a credits system, AI examples, and an SEO blog.
Jake Prins · Next.js · Supabase · Stripe
MIT-licensed SvelteKit SaaS template with Supabase auth, Stripe subscriptions, blog, search and a $0 Cloudflare hosting setup.
Kiln AI · SvelteKit · Supabase · Stripe
Django + Next.js SaaS boilerplate with a DRF API, shared auth, Stripe billing foundations and Celery background jobs in one codebase.
Michael Yin · Django, Next.js, React · Django REST Framework · Celery
SaaS starter kit by ThemeSelection in Next.js (Shadcn + Supabase) and Laravel (TALL + FlyonUI) editions, with auth, Stripe/Lemon Squeezy billing and admin.
ThemeSelection · Next.js, Laravel · Supabase · Shadcn