NextBlock CMS
An open-source, AI-native CMS for Next.js 16 with a visual block editor, Supabase backend, and built-in e-commerce.
🔗 Visit NextBlock CMS
Description
Most content management systems were built years before AI coding agents existed, which means their code isn't organized in a way that's easy for an agent to read and extend — you end up fighting the CMS's assumptions as much as building your site. NextBlock was designed the opposite way: as a modern, open-source CMS built specifically for Next.js 16, with a codebase structured so both human developers and AI agents can navigate and extend it.
NextBlock combines a visual, Tiptap-powered block editor with the performance of Next.js React Server Components, backed by a Supabase PostgreSQL database that stores content as JSONB blocks. It claims 100/100 Lighthouse scores by default, supports one-click deployment to Vercel or a local self-hosted Docker setup, and includes built-in e-commerce (digital products, checkout, currency, tax, and shipping) alongside a custom block SDK for extending the editor. It positions itself as an open-source, developer-first alternative to WordPress, Payload, and Strapi, and is licensed AGPL-3.0-or-later.
💬 Our review
The short version: if you're building a Next.js site and want a CMS that's genuinely built for the current stack (Server Components, Supabase, Tailwind) rather than adapted from an older architecture, NextBlock is a serious, actively-developed option — the tradeoff is it's still a small project (8 stars) competing against much more established alternatives with bigger plugin ecosystems.
Against WordPress, NextBlock is dramatically more modern technically (React Server Components vs. PHP templates) but gives up WordPress's enormous plugin/theme ecosystem and non-technical-user-friendliness. Against Payload or Strapi — its more direct headless-CMS peers — NextBlock's pitch is tighter Next.js integration and built-in e-commerce out of the box, though Payload and Strapi both have larger communities and more third-party integrations at this point. The AGPL-3.0-or-later license is worth reading carefully if you plan to build a commercial SaaS on top and modify the core, since it has network-use copyleft implications. For a technical team already committed to Next.js 16 + Supabase who wants a lean, AI-friendly CMS and is comfortable with a smaller ecosystem, it's a reasonable bet; if you need a huge plugin marketplace or non-technical editors, Payload/Strapi or WordPress remain safer choices today.
💰 Pricing
📊 Global score
🤖 AI-enriched data
Gratuit et open source (AGPL-3.0-or-later), auto-hébergeable ou déployable sur Vercel.
Pros
Construit nativement pour Next.js 16 et React Server Components
Codebase pensé pour être manipulé par des agents IA
E-commerce intégré (checkout, taxes, livraison)
Déploiement Vercel en un clic ou Docker auto-hébergé
Cons
Communauté encore petite (8 étoiles) face à WordPress/Payload/Strapi
Licence AGPL contraignante pour un dérivé commercial fermé
Moins de plugins/intégrations tierces que les alternatives établies