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NextJSTemplates/play-nextjs
Next.js SaaS Boilerplate and Starter Kit designed and built for SaaS startups. It comes with all necessary integrations, pages, and components you need to launch a feature-rich SaaS websites.
A free Next.js 15/16 SaaS starter with the standard stack: NextAuth, Prisma + PostgreSQL, Stripe subscriptions, MDX blog, and Tailwind CSS. It's a marketing-site-plus-auth shell — you get login, pricing, blog, and contact pages wired together so you can skip the scaffolding phase and go straight to building your actual product.
The integration choices are sensible and boring in the right way — NextAuth handles auth without you rolling your own, Stripe is wired for subscriptions not one-time payments, and Prisma gives you type-safe DB access out of the box. The directory structure is clean: route groups separate the public site from auth flows, and API routes are colocated with their concerns. It stays current — Next.js 15 upgrade in January, 16 in December 2025, with security patches tracked. MDX blog support is genuinely useful for SaaS marketing sites and doesn't require a headless CMS you'd have to pay for.
It's a marketing shell, not a SaaS foundation — there's no subscription state management, no user dashboard, no plan-gating on routes, and no webhook handling for Stripe events like payment failures or subscription cancellations. The `--legacy-peer-deps` requirement is a red flag: React 19 compatibility issues in late 2025 suggest the dependency tree hasn't been properly updated. The Prisma schema is almost certainly minimal (user table, maybe session), so you're still building the data model from scratch. The footer brand logos (TailGrids, GrayGrids, AyroUI) are all the same company's products — this is primarily a lead magnet for NextJSTemplates' paid tier, which explains the polish but also means maintenance priorities may not align with yours.