Build Blazing-Fast Websites.
Build Blazing-Fast
Websites.NextBlock™ is the open-source, developer-first Next.js CMS that merges 100% Lighthouse scores with a powerful visual block editor.
Why teams switch
100% Lighthouse
Edge-rendered marketing sites, launches, and docs with uncompromising performance.
- ✓ Next.js 16 with ISR and edge caching
- ✓ Supabase auth, data, and storage
- ✓ Notion-style block editor powered by Tiptap
- ✓Full block editor with slash commands & drag-and-drop.
- ✓Bilingual English / French content management.
- ✓A complete demo storefront with a full checkout flow.
- ✓Wipes clean daily — always a fresh start.
- Edge Caching & ISR: Serve pages worldwide.
- Critical CSS: Inline styles to eliminate blocking.
- Image Opt: AVIF & blurred placeholders.
- Notion-Style: Slash commands & drag-and-drop.
- Bilingual: Manage locales from one interface.
- History: Restore any version with a click.
- Open Source: Own the code & data forever.
- Nx Monorepo: Scale confidently.
- Developer SDK: Scaffold blocks in minutes.
- Intuitive Block EditorDrag-and-drop layouts with a Notion-like interface.
- Rich Content BlocksDeploy heroes, galleries, testimonials, and more in one click.
- Effortless Media ManagementOrganize assets with folders, tags, and bulk actions.
- Worry-Free RevisionsAutomatic version history with instant restore.
- Next.js 16 CoreServer Components, ISR, and Edge Functions ready out of the box.
- Supabase IntegrationPostgres, auth, storage, and real-time APIs without glue code.
- Monorepo ReadyNx-powered dev experience for scalable architectures.
- Extensible Block SDKShip fully typed custom blocks and widgets.

Live Demo · No Signup
Try the full CMS,
live right now.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.
Explore the Live Demo →Open the CMS Dashboard →
Demo login demo@nextblock.dev / password · Resets daily
cms.nextblock.dev
A living NextBlock™ install — everything here is real and clickable:
Key Features: The Three Pillars of NextBlock™
NextBlock™ is a holistic platform that unites performance, editorial experience, and developer control so every stakeholder delivers their best work.
Built for Speed.
Architected for 100% Lighthouse scores with global delivery and near-instant FCP.
Editor-First Experience.
A low-code, Notion-style block editor empowers teams to ship pages without engineering help.
Infinitely Extensible.
Open-source control with a clean Nx monorepo and a typed SDK for limitless customization.
Built with the Best.
Every layer of NextBlock™ leans on proven developer-first technology so the platform feels familiar, performant, and trustworthy from day one.
Next.js
React
Supabase
Stripe
Tailwind
Tiptap
Vercel
Nx
Powerful for Developers. Intuitive for Editors.
For Content Creators
For Developers
Now Available — Premium Module
Turn Your CMS Into
a Full Storefront.NextBlock™ Commerce transforms your content platform into a complete e-commerce engine. Products, checkout, multi-currency, taxes, shipping, invoices — all natively integrated into the block editor you already know.

∞
Currencies
2
Providers
Auto
Tax Sync
Everything You Need to Sell Online
NextBlock™ Commerce ships a complete e-commerce toolkit so you can go from catalog to checkout without third-party plugins.
Multi-Currency
Real-time FX rates, rounding modes, charm pricing, and automatic product price sync across unlimited currencies.
Tax Automation
Manual stacked tax rates (GST + PST) or fully automatic calculation via Stripe Tax — you choose.
Shipping Zones
Zone-based rate resolution with country and state matching, per-currency pricing, and free-shipping thresholds.
Stripe & Freemius Checkout
Stripe for physical products, Freemius for digital licensing — provider-aware checkout with inventory validation.
Inventory Tracking
Automatic quantity deduction on payment with resilient fallback paths and variant-level stock management.
Orders & Invoices
Full order lifecycle management, stable invoice numbering, printable documents, and exportable order reports.

OpenRouter
AI Gateway
BYOK
Cost Control
Zod
Typed Blocks
Now Available — AI Copilot
Supercharge Your
Content with AI.NextBlock™ Cortex AI brings native block-level intelligence directly to your editor. Generate copy, refactor structures, and automate translations in one click, built directly on our high-performance architecture.
More Than a CMS. An Ecosystem.
NextBlock™ is building a sustainable open-core roadmap so the platform grows with your business.

Roadmap in motion
Commerce ships first, then the broader ecosystem grows around plugins, blocks, and partner-built modules.
Available now
NextBlock™ Commerce
Transform your site into a composable storefront with products, checkout, multi-currency pricing, tax automation, and commerce blocks that live beside your editorial content.
Build the future
Plugin and block marketplace
A community marketplace gives developers room to publish, sell, and distribute custom blocks, themes, integrations, and partner modules.
Join Our Community.
NextBlock™ is being built in the open. Star the repo, share feedback, and help define the future of performance-first content management.
GitHubStar the repo & contributeX (Twitter)Follow updates & announcementsDev.toRead technical deep dives
Have Questions?
NextBlock™ partners with early adopters to co-build features, sponsor modules, and shape the product direction.

