GritCMS – Self-hosted all-in-one platform for creators

Summary: GritCMS is a self-hosted Creator Operating System that consolidates website building, course sales, email marketing, community hosting, CRM, and affiliate management into one platform. It integrates payments via Stripe and PayPal and automates workflows without third-party tools. Built with Go and Next.js, it runs efficiently on any VPS without monthly fees.

What it does

GritCMS replaces multiple platforms by enabling creators to build websites, sell courses with quizzes and certificates, manage digital products, run email campaigns, host private communities, schedule bookings, track contacts, and operate affiliate programs—all within a single self-hosted system.

Who it's for

It is designed for creators and online educators seeking to unify their tools and maintain full ownership of their data without recurring platform fees.

Why it matters

GritCMS eliminates the need for multiple paid services by providing an integrated, self-hosted solution that keeps data private and costs predictable regardless of user scale.