NextBlock CMS
Open-source CMS on Nextjs 16 & Supabase (100/100 Lighthouse)
What it does
NextBlock is an open-source, full-stack CMS built on Next.js 16 & Supabase. Ditch headless boilerplate with a Notion-style Tiptap block editor, strict JSONB storage, and 100/100 Lighthouse defaults. Includes runtime theming (zero redeploys), hybrid commerce (Stripe + Freemius), and Cortex AI with BYOK & remote MCP tool-calling for Claude, Cursor & ChatGPT. Deploy in 60s with 1-click Vercel, CLI, or Docker. Try the live sandbox at nextblock.dev 🚀
NextBlock™ is the open-source, developer-first Next.js CMS that merges 100% Lighthouse scores with a powerful visual block editor.
NextBlock™ is the open-source Next.js CMS that pairs 100% Lighthouse scores with a visual block editor. Fast edge-rendered sites, launches, and docs. Built for top speed and clean code. Don't just read about NextBlock™ — take the wheel. Our public sandbox is a complete, pre-loaded install where you can build pages with the block editor, manage bilingual content, and browse a working demo store. It resets daily, so explore freely and break whatever you like. NextBlock™ brings speed, clear editing, and developer control together so your team can build better web pages. Architected for 100% Lighthouse scores with global delivery and near-instant FCP. A clean block editor gives your team the…from nextblock.dev
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