# 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](https://zyloft.eu/en/templates/cairn/): Next.js SaaS starter kit for creators. 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. (€199)
- [Aven](https://zyloft.eu/en/templates/aven/): Next.js Stripe SaaS boilerplate. 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. (€229)
- [Fjord](https://zyloft.eu/en/templates/fjord/): Next.js B2B SaaS starter with docs & AI. For B2B SaaS with a calm, Scandinavian-inspired look: landing page, docs portal with an AI assistant, blog, company pages, accounts and Stripe subscriptions. (€229)

## Which starter kit fits your project?

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

| | Cairn | Aven | Fjord |
|---|---|---|---|
| Built for | Creators and founders selling digital products, courses or memberships | Indie hackers and small teams with a subscription SaaS and a shop | B2B SaaS teams that need docs, a blog and company pages |
| Stripe payments | Subscriptions, one-time purchases and shop products | Monthly and yearly subscriptions, one-time purchases and a shop | Subscriptions with free trials, no one-time sales |
| Stands out with | Creator shop with product pages | Interactive dashboard preview on the landing page | Docs portal with search and an AI assistant, 15+ ready pages |
| Languages | English and German | English and German | English |
| Design | Bold and colourful | Sleek, dark by default | Calm 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

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HTML version: https://zyloft.eu/en/templates/
Deutsche Version: https://zyloft.eu/templates/index.md