Open Source Cms Software

Simple, Fast, Secure, Flat-File CMS

Simple and fast databaseless PHP blogging platform, and Flat-File CMS

PluXml, Moteur de Blog et CMS à l'XML sans base de données

Apostrophe is a full-featured, open-source CMS built with Node.js that empowers organizations by combining in-context editing and headless architecture in a full-stack JS environment.

b2evolution CMS: Multiblog/CMS content publishing + forums + email marketing + social network + more... b2evolution includes everything you need to run and maintain a modern website. Optimized for low maintenance with easy upgrades and effective antispam. Full RWD & bootstrap support.

Add content management functionality to any site - plug & play / headless / api-first CMS

Bolt is a simple CMS written in PHP. It is based on Silex and Symfony components, uses Twig and either SQLite, MySQL or PostgreSQL.

Open-Source Data Platform 🐰 — Directus wraps any SQL database with a real-time GraphQL+REST API and an intuitive app for non-technical users.

Simple Open-Source CMS for designers

Hybrid Content Management System with the freedom of a headless CMS and with the full functionality of a traditional CMS

GetSimple CMS

Home of the Joomla! Content Management System

The most powerful headless CMS for Node.js — built with GraphQL and React

Self-hosted CMS platform based on the Laravel PHP Framework.

Pagekit CMS

Pico is a stupidly simple, blazing fast, flat file CMS.

REDAXO, a PHP-based CMS since 2004. Both simple and flexible.

Roadiz is a polymorphic CMS based on a node system which can handle many types of services.

Headless CMS and Content Managment Hub

🚀 Open source Node.js Headless CMS to easily build customisable APIs

TYPEMILL is a simple and lightweight Flat-File-CMS for authors and publishers.

The simple, flexible and friendly ASP.NET CMS used by more than 500.000 websites

WordPress, Git-ified. This repository is just a mirror of the WordPress subversion repository. Please do not send pull requests. Submit pull requests to https://github.com/WordPress/wordpress-develop and patches to https://core.trac.wordpress.org/ instead.

WonderCMS - fast and small flat file CMS (5 files)

Drag and Drop Website Builder and CMS with E-commerce

MediaCMS is a modern, fully featured open source video and media CMS, written in Python/Django and React, featuring a REST API.

The Zenphoto open-source gallery and CMS project

Git-based CMS for static site generators

Contentful

Developer-first Headless CMS

Apostrophe is a full-featured, open-source CMS built with Node.js that empowers organizations by combining in-context editing and headless architecture in a full-stack JS environment.

Drag and drop headless CMS for React, Vue, Svelte, Qwik, and more

Official repository for Concrete CMS development

Visual page builder and web design tool for any website or web app tech stack

Core framework that implements the functionality of the Sulu content management system

A headless CMS for Markdown

🖌 Webstudio Visual Builder