MantleKit is a production-ready NextJS boilerplate and starter kit for SaaS applications. It includes authentication, payments, email, admin dashboards, multiple themes, and everything you need to launch a SaaS product quickly.
One-time purchase with lifetime updates. No recurring fees. Every future update, theme, and feature is included in your purchase price.
NextJS 14+ with App Router, TypeScript, Prisma ORM, PostgreSQL, Tailwind CSS. For payments, you can choose between Stripe, LemonSqueezy, or Paddle. Authentication supports email/password, magic links, and OAuth providers.
The Starter and Pro licenses cover your own projects. If you need to use MantleKit for client work, the Agency license includes a white-label option for unlimited client projects with no attribution required.
Yes. We offer a 14-day money-back guarantee. If MantleKit isn't the right fit, email support@mantlekit.dev and we'll process a full refund, no questions asked.