Content Management System GitHub Repositories (2026) · Open Source Tools

The world’s fastest framework for building websites.

A fast static site generator in a single binary with everything built-in. https://www.getzola.org

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

Leading Git-based headless CMS. Successor to Netlify/Decap CMS. Modern UX, first-class i18n support, mobile support + numerous improvements. Framework-agnostic, open source & free.

MODX Revolution - Content Management Framework

Alchemy is the Open Source Rails CMS framework for the component based web that can be used as classic server side rendered or headless CMS.

Content management, streamlined

Fast and small flat file CMS (5 files). Built with PHP, JSON database.

A plugin-first CMS. Go backend, React admin, Gutenberg editor.

Official repository for Concrete CMS development

An efficient (micro)blogging service that you can self-host

PHP CMS Rhymix

A delightful Swift interface to Contentful's content delivery API.

Digital Signage Software - Device and Content Management (CMS)

Spica is a development engine to build fast & efficient applications.

Self-hosted CMS for developers who build client sites: visual editor, plugins, themes, signed updates. Zero PHP dependencies.

🐎 Eleanor CMS is a lightweight, self-contained CMS built for simplicity, security, and easy extensibility.

Easy, flexible and powerful cloud-native Laravel CMS package powered by AI with JSON:API, GraphQL API, templates, and themes

A flexible, elegant, fast and easy-to-use content management system written in PHP.