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Next.js Starter Kit
Next.js is the default for SaaS in 2026, so most starter kits target it. Whether you call it a Next.js SaaS starter, a SaaS starter kit or a boilerplate, the differences are in stack choices, code quality and how well it's maintained.
The first next.js starter kit are being listed. Explore the full marketplace in the meantime.
Explore the marketplaceDecision assistant
“Starter kit”, “boilerplate” and “complete SaaS” are not interchangeable. Select the closest outcome to get the appropriate evaluation path.
Recommended path
Start with an owned-code foundation when you want to choose the product logic, data model and interface yourself.
A listing should be judged against observable delivery evidence, not a feature-count headline. Missing evidence must remain “not documented” rather than being inferred.
| Gate | Minimum verifiable evidence |
|---|---|
| Reproducible build | Pinned runtime and package manager; clean install, typecheck and production build pass. |
| Configuration | Complete environment-variable example with secrets excluded and required services identified. |
| Database | Versioned schema and migrations, seed strategy and tenant-isolation model where applicable. |
| Authentication | Sign-up, sign-in, sign-out, recovery, callback and protected-route states tested. |
| Billing | Checkout, webhook signature, idempotency, failed payment, cancellation and entitlement behavior documented. |
| Quality | Critical flows tested; loading, empty, error, mobile, keyboard and reduced-motion states reviewed. |
| Operations | Deployment, logs, backups, upgrades, license, changelog and handover path documented. |
| Acquisition | Canonical metadata, sitemap, structured data, analytics events and consent requirements explicit. |
Compare candidates in the same environment: clean install, identical Node version, typecheck, production build, authentication and billing smoke tests, Lighthouse profile, dependency audit and documented setup time. Assetzaar will not publish a cross-kit benchmark until at least three current kits have been tested with that protocol and the raw conditions are disclosed.
A strong kit gives you a working app on day one:
Free starters (like the official Vercel SaaS template) are great for learning; paid kits earn their price through maintenance, depth and support. ShipFast suits solo B2C; supastarter and Makerkit suit B2B teams needing multi-tenancy.
| Option | Best for | Notes |
|---|---|---|
| ShipFast | One opinionated B2C kit, fast | Single Next.js kit; no multi-tenancy or admin panel. |
| Makerkit | B2B teams | Plugin architecture; free tier plus one-time Pro. |
| supastarter | Feature-dense B2B | Deep multi-tenancy with RLS; one-time tiers. |
| Assetzaar | Comparing kits + more product types | Marketplace: live previews, clear licenses, also agent skills & landing pages. |
Competitor details are factual positioning as of 2026 and may change — check each provider for current specifics.
FAQ
The common, well-supported stack is Next.js App Router with TypeScript, Tailwind CSS, Supabase (Postgres + auth) and Stripe for billing — productive, well-documented and easy to hire for.
They mean the same thing in practice: a ready-made starting codebase with auth, billing and a database wired up, so you build your product on top instead of from scratch.