Open Source Content Management System (CMS) Projects
Systems for creating and managing website content, enabling non-developers to publish and update pages easily.
CometCMS
Headless, simple CMS with a PHP backend and a convenient Vue admin frontend.
Contentful
Concrete CMS
Self-hosted PHP CMS with in-context page editing, drag-and-drop blocks, granular permissions and a marketplace of themes and add-ons. MIT licensed.
Craft.js
React framework for building extensible drag-and-drop page editors. Headless, framework-based approach with full plugin support.
Builder.io
Directus
Source-available headless CMS and backend that turns any SQL database into REST and GraphQL APIs with a no-code admin Studio.
WordPress
EmDash
A full-stack TypeScript CMS built on Astro and Cloudflare, reimagining WordPress with serverless, type-safe foundations.
WordPress
Frappe Builder
Open-source visual website builder with a Figma-like canvas, built-in Frappe CMS, one-click publishing and an AI page agent.
Webflow
Golocron
Golocron is a plug-and-play blogging and wiki system designed for Go backends. Markdown support, live preview, and a clean UI for quick content sites.
WordPressHugy
A desktop GUI application for the Hugo static site generator, designed for content editors without command-line knowledge.

MediaCMS
Modern, fully featured open source video and media CMS built with Django and React for self-hosted video sharing.
YouTube
Payload
Open-source, TypeScript-first headless CMS and app framework that runs natively in Next.js with a code-defined backend and admin UI.
Contentful
Puck
Open-source visual editor for React. Drag-and-drop page builder with a component-based architecture and MIT license.
Builder.io
Strapi
Open-source headless CMS on Node.js and TypeScript: visual content-type builder, auto-generated REST and GraphQL APIs, RBAC, i18n and plugins.
WordPress
TinaCMS
A fully open-source headless CMS with Git support, Markdown editing, and live visual preview for React-based sites.
Contentful
WollyCMS
Self-hosted, open-source headless CMS built specifically for Astro.js with a block-based page builder.
Contentful