21 open-source CMS vendors.

Open-source software for CMS that you can self-host, with auditable source code — regardless of the developer's headquarters.

• Cockpit CMSSelf-hosted / open source

  Open-source headless CMS with JSON API and flexible content models

  Germany

• ContaoSelf-hosted / open source

  German CMS widely used in DACH region; self-hostable

  Germany

• Drupal (self-host)Self-hosted / open source

  Open-source enterprise CMS; self-hostable in EU

  United States

• GhostSelf-hosted / open source

  Open-source publishing platform for professional bloggers and publishers

  Singapore

• Grav (self-host)Self-hosted / open source

  Flat-file CMS; self-hostable

  United States

• KeystoneJSNon-EU vendor

  Open-source headless CMS and application platform built on Node.js

  Australia

• MicroweberSelf-hosted / open source

  Bulgarian open-source drag-and-drop CMS and website builder (Sofia, Bulgaria), built on Laravel/PHP, MIT-licensed on GitHub, with an actively maintained codebase (27,000+ commits, release 2.0.20 in Aug 2025) and eCommerce support for freelancers through SMEs.

  Bulgaria

• Neos CMSSelf-hosted / open source

  Open-source content application framework; EU-hostable

  Austria

• Payload CMSNon-EU vendor

  Open-source headless CMS and application framework built with TypeScript. Acquired by Figma Inc. (US) in June 2025; the MIT-licensed OSS repository remains unchanged. Headquartered in Grand Rapids, Michigan, USA.

  United States

• PloneSelf-hosted / open source

  Open-source enterprise CMS built on Python with strong security

  Germany

• PrimoSelf-hosted / open source

  Open-source visual CMS for static websites with component builder

  Germany

• ProcessWireSelf-hosted / open source

  Open-source CMS and CMF with powerful API and flexible architecture

  Germany

• RoadizSelf-hosted / open source

  French open-source polymorphic CMS built on Symfony and Doctrine, maintained by Rezo Zero (Strasbourg, France). Legacy v1.x (MIT licensed) is EOL/security-only, but development actively continues in the v2 monorepo (core-bundle-dev-app) with CI activity confirmed as recently as July 2026, so the product is alive under a new architecture.

  France

• SilverStripeEU sovereign

  open-source CMS and framework with flexible content management

  Netherlands

• Strapi (self-host)EU sovereign

  French headless CMS; self-hostable

  France

• SuluEU sovereign

  Austrian open-source CMS built on Symfony for enterprise websites

  Austria

• TextpatternNon-EU vendor

  Open-source CMS with focus on elegance, simplicity and performance

  United Kingdom

• TYPO3Self-hosted / open source

  Enterprise open-source CMS; governed by the Swiss TYPO3 Association; self-hostable

  Switzerland

• UmbracoEU sovereign

  Danish open-source CMS built on .NET for flexible content management

  Denmark

• WagtailNon-EU vendor

  Open-source CMS built on Django/Python with British origin

  United Kingdom

• WordPress (self-host)Self-hosted / open source

  Open-source CMS by Automattic (US); sovereign when self-hosted in EU infrastructure

  United States · owner in United States