⚡ Open-Source Content Management Systems

Open-source content management systems are platforms whose source code is publicly available, allowing anyone to inspect, modify, and redistribute the software under open licenses.

They are typically used to build and manage websites with a high degree of flexibility, offering community-driven development, extensibility through themes and plugins, and the ability to self-host and customize functionality without vendor lock-in.

⭐ Most Popular in 2026

The following chart shows the leading open-source CMS platforms in 2026, based on market share.

The most popular is WordPress, which dominates the market with an overwhelming 84.2% share.
It is followed by Joomla with 3% and Drupal with 2.9%.

WordPress 84.2%
Joomla 3%
Drupal 2.9%
TYPO3 1.5%
Contao 0.3%
K2 0.3%
DNN 0.2%
Concrete CMS 0.2%
ExpressionEngine 0.1%
Gnuboard 0.1%
Liferay 0.1%
Strapi 0.1%
Ghost 0.1%
SilverStripe 0.1%
Open Journal Systems 0.1%

🚀 Country Highlights

Here is a list of platforms that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

Drupal is #2 in the United States ^(-1)
TYPO3 is #2 in Germany ^(-2)
Gnuboard is #2 in Korea ^(-18)
SilverStripe is #2 in New Zealand ^(-28)
Z-BlogPHP is #2 in China ^(-41)
K2 is #4 in Italy ^(-7)
Liferay is #4 in Spain ^(-18)
SPIP is #4 in France ^(-37)
MODX is #7 in Russia ^(-29)
ExpressionEngine is #8 in the United Kingdom ^(-10)

✨ Best Open-Source CMS Platforms

Below is a more detailed list of the top 25 of the 112 open-source CMS platforms we track, ranked by their market share.

Available filters: Education Enterprise Headless Hotel Open-Source PHP Java .NET Node.js Ruby

Rank	Name	Market share
1	WordPress San Francisco, California, United States A widely used open-source content management system built on PHP and MySQL. FreeOpen source	84.2%
2	Joomla New York, United States An open-source content management system written in PHP. FreeOpen source	3%
3	Drupal Portland, Oregon, United States A modular open-source content management platform written in PHP. FreeOpen source	2.9%
4	TYPO3 Düsseldorf, Germany An open-source enterprise content management system written in PHP that supports multisite and multilingual installations and has a large extension repository. FreeOpen source	1.5%
5	Contao Lyss, Switzerland An open-source content management system built with PHP, Symfony, and MySQL. FreeOpen source	0.3%
6	K2 Victoria, Mahe, Seychelles A Joomla content management extension that replaces and enhances the default article system. FreeOpen source	0.3%
7	DNN Austin, Texas, United States A free and open-source content management system based on .NET and MS SQL Server. FreeOpen source	0.2%
8	Concrete CMS Portland, Oregon, United States An open-source content management system built with PHP and MySQL that combines in-context editing and modular page building. FreeOpen source	0.2%
9	ExpressionEngine Ormond Beach, Florida, United States An open-source content management system built on PHP and MySQL. FreeOpen source$249+	0.1%
10	Gnuboard Seoul, Korea A PHP-based open-source bulletin board system and content management solution from South Korea that lets sites run discussion forums, community pages, and article boards on the LAMP stack. FreeOpen source	0.1%
11	Liferay Diamond Bar, California, United States An open-source enterprise web platform for building business solutions, intranets, customer portals, and digital experiences across web and mobile channels. FreeOpen source$$$	0.1%
12	Strapi San Francisco, California, United States An open-source headless CMS built with Node.js and TypeScript that connects to various databases and frontend frameworks. FreeOpen source$45+/month	0.1%
13	Ghost Singapore An open-source content management system built on Node.js. FreeOpen source$11+/month	0.1%
14	SilverStripe Wellington, New Zealand An open-source content management system written in PHP for building content-driven websites. FreeOpen source	0.1%
15	Open Journal Systems Burnaby, British Columbia, Canada Open source software for the management of peer-reviewed academic journals. FreeOpen source	0.1%
16	ProcessWire A PHP-based open-source content management system and web application framework focused on flexible content modeling and API-driven development. FreeOpen source	0.09%
17	Pimcore Salzburg, Austria An open-source enterprise platform that includes PIM, MDM, CDP, DAM, DXP/CMS, and digital commerce. FreeOpen source$$$	0.09%
18	MODX Dallas, Texas, United States An open-source content management platform and PHP application framework focused on performance and security. FreeOpen source$39+/month	0.08%
19	Wagtail Bristol, United Kingdom An open-source CMS written in Python and built on the Django web framework. FreeOpen source	0.07%
20	Umbraco Odense, Denmark An open-source .NET content management system for building content-driven websites and headless applications, with optional managed cloud hosting. FreeOpen source$55+/month	0.07%
21	Statamic Ormond Beach, Florida, United States A highly adaptable CMS built on Laravel that can run full-stack or headless, on flat files or database, or as a static site generator. FreeOpen source$7+/month	0.07%
22	SPIP France A French open-source content management system designed for collaborative online publishing and editorial workflows. FreeOpen source	0.07%
23	Z-BlogPHP A Chinese open source blogging content management system developed with PHP. FreeOpen source	0.06%
24	Plone Fishers, Indiana, United States An open-source enterprise content management system written in Python and JavaScript. FreeOpen source	0.05%
25	Neos Dresden, Germany An open-source enterprise content management system based on the Flow framework. FreeOpen source	0.05%

Data is based on the analysis of 3,320,410 websites.
Statistics were last calculated on March 20, 2026.
For details, see our methodology and disclaimer.