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Next.js SaaS starter kits & boilerplates

Production-ready foundations for your next SaaS: auth, Stripe billing, email, a dashboard and tests, typed end to end with TypeScript. Three starter kits for three kinds of product: Cairn for creators, Aven for subscription SaaS with a shop, and Fjord for B2B with a docs portal. Buy once, use them for as many projects as you like.

Cairn landing page: the headline “Your side hustle deserves a real launch” next to a phone showing a creator shop with three products

Next.js SaaS starter kit for creators

Available now

Cairn

For creators and founders selling digital products, courses or memberships: auth, payments, a shop, emails and a landing page that pops, in English and German.

  • Auth, Stripe billing and emails ready to go
  • English and German site and emails
  • No tracking cookies, no cookie banner needed
Next.js 16React 19TypeScript
Aven landing page: the headline “Launch your SaaS this week, not next quarter” with buttons and a dashboard preview on a dark background

Next.js Stripe SaaS boilerplate

Available now

Aven

For subscription SaaS with a shop: monthly and yearly plans, one-time purchases and shop products with Stripe, plus auth, emails and a sleek dark landing page, in English and German.

  • Subscriptions, one-time plans and a shop with Stripe
  • English and German site, dashboard and emails
  • No tracking cookies, no cookie banner needed
Next.js 16React 19TypeScript
Fjord landing page: the headline “Calm software for teams that move fast” above a dashboard with active users, activation and latency

Next.js B2B SaaS starter with docs & AI

Available now

Fjord

For B2B SaaS with a calm, Scandinavian-inspired look: landing page, docs portal with an AI assistant, blog, company pages, accounts and Stripe subscriptions.

  • Docs portal with search and an AI assistant
  • 15+ pages: blog, customers, webinars, changelog and more
  • Subscriptions with free trials, no cookie banner needed
Next.js 16React 19TypeScript

Which starter kit fits your project?

All three share the same technical foundation. They differ in the kind of product they are built for.

FeatureCairnAvenFjord
Built forCreators and founders selling digital products, courses or membershipsIndie hackers and small teams with a subscription SaaS and a shopB2B SaaS teams that need docs, a blog and company pages
Stripe paymentsSubscriptions, one-time purchases and shop productsMonthly and yearly subscriptions, one-time purchases and a shopSubscriptions with free trials, no one-time sales
Stands out withCreator shop with product pagesInteractive dashboard preview on the landing pageDocs portal with search and an AI assistant, 15+ ready pages
LanguagesEnglish and GermanEnglish and GermanEnglish
DesignBold and colourfulSleek, dark by defaultCalm and Nordic
Price (one-time)€199€229€229

What all three starter kits include

  • Next.js 16 with the App Router, React 19 and TypeScript
  • Auth with Better Auth: email and password, magic link, Google
  • Stripe Checkout, customer portal and webhooks
  • Transactional email with React Email and Resend
  • Postgres with Drizzle, even without Docker (PGlite)
  • Data export and account deletion for your users
  • Tests with Vitest and Playwright, GitHub CI
  • A one-time licence for unlimited projects

More starter kits are on the way

Is there a starter you'd love to have? Tell us what you're building.

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