If you’re looking to build your next big project, choosing the right Content Management System (CMS) can make all the difference. In the UK and worldwide, open-source CMS platforms are booming, offering developers and businesses flexibility, scalability, and complete control over their websites and applications.

Here’s a list of 60 open-source CMS platforms (2025), covering PHP, Python, Java, Node.js, Ruby, .NET, and static site generators.

🟒 PHP-based CMS

  1. WordPress – The world’s most popular CMS with a huge ecosystem.
  2. Drupal – Powerful, secure, and enterprise-ready.
  3. Joomla! – Flexible and community-driven CMS.
  4. OctoberCMS – Laravel-based CMS, developer-friendly.
  5. Backdrop CMS – Lightweight fork of Drupal 7.
  6. Grav – Flat-file CMS, blazing fast.
  7. Bolt CMS – Content-first modern CMS.
  8. Concrete5 – Drag-and-drop website builder.
  9. TYPO3 – Enterprise-class CMS, widely used in Europe.
  10. ModX – Flexible PHP CMS and application framework.
  11. ProcessWire – API-first CMS with high flexibility.
  12. Fork CMS – Easy-to-use CMS with marketing tools.
  13. Sulu CMS – Symfony-based enterprise CMS.
  14. Pimcore – Digital experience platform & PIM.
  15. Directus – Headless CMS with REST & GraphQL APIs.
  16. Pagekit CMS – Lightweight, modern PHP CMS.
  17. Microweber – Drag-and-drop CMS and shop system.
  18. Anchor CMS – Minimalist blogging CMS.
  19. Serendipity – Blogging-focused CMS.
  20. e107 – Community-driven open-source CMS.

🟠 Python-based CMS

  1. Django CMS – Enterprise-level CMS built on Django.
  2. Wagtail – Modern Django CMS (popular in the UK, used by NHS & Google).
  3. Mezzanine – Simple, flexible Django CMS.
  4. Plone – Extremely secure enterprise CMS.
  5. Kotti CMS – Lightweight CMS on Pyramid framework.
  6. FeinCMS – Minimal, extensible Django CMS.
  7. Quokka CMS – Flask-based CMS, API-friendly.
  8. Opps CMS – Scalable Django CMS for media portals.

πŸ”΅ Java-based CMS

  1. Magnolia CMS – Enterprise, API-first CMS.
  2. dotCMS – Hybrid Java-based content management.
  3. OpenCMS – Robust enterprise web CMS.
  4. Alfresco – Open-source enterprise content management.
  5. Hippo CMS (Bloomreach) – Now commercial, but open-source roots.
  6. Liferay – Enterprise portal + CMS.
  7. OpenWGA – Java CMS with collaboration features.
  8. CrafterCMS – Modern headless Java CMS.

🟣 Node.js-based CMS

  1. Ghost – Modern publishing platform & headless CMS.
  2. Strapi – API-first headless CMS, great for React/Next.js.
  3. KeystoneJS – GraphQL-powered Node.js CMS.
  4. ApostropheCMS – Drag-and-drop Node.js CMS.
  5. Payload CMS – New-generation Node.js & TypeScript headless CMS.
  6. Reaction Commerce – Headless eCommerce platform.
  7. Netlify CMS – Git-based CMS for Jamstack.
  8. FactorJS – Vue + Node.js CMS.
  9. Calypso – WordPress.com front-end built with React/Node.js.

πŸ”΄ Ruby / Rails CMS

  1. RefineryCMS – Simple, extendable Rails CMS.
  2. Radiant CMS – Lightweight Rails CMS.
  3. Alchemy CMS – Flexible content-focused Rails CMS.
  4. Publify – Blogging platform built with Ruby.

🟣 .NET & Other CMS

  1. Orchard Core – Modular .NET Core CMS.
  2. Umbraco CMS – Popular .NET CMS (huge in the UK).
  3. Piranha CMS – Lightweight .NET Core CMS.
  4. MojoPortal – Open-source .NET CMS.

🟑 Static Site Generators & Headless CMS

  1. Jekyll – Ruby-based static site generator.
  2. Hugo – Extremely fast Go-based static site generator.
  3. Hexo – Node.js-powered blog framework.
  4. VuePress – Vue.js-based documentation CMS.
  5. Docusaurus – React-based static docs CMS.
  6. Publii – Desktop CMS for static websites.
  7. Eleventy (11ty) – Simple, flexible static site generator.