Open Source CMS
Platforms that are open-source, allowing for customization and developer engagement.
Updated June 14, 2026
Products that define this theme
A representative set of Web Content Management Software products that exemplify Open Source CMS, curated as a starting point for finding similar software.
Selected from G2's verified user reviews and ratings, then matched to this theme for relevance.
How Did G2 Choose These Open Source CMS Products?
The 11 products shown represent a defining sample for the "Open Source CMS" theme within Web Content Management Software on G2 — not an exhaustive list. They are a curated starting point for discovering similar software.
- Sourced from products with verified G2 user reviews and ratings.
- Matched to this theme based on each product's described capabilities and fit, ordered by relevance.
- Rankings and inclusion are unbiased and are not influenced by vendor payment.
Refreshed weekly. Last updated: June 14, 2026.
WordPress.org is the official platform offering the free, open-source WordPress software, enabling users to create and manage websites on their own web servers. This self-hosted solution provides...
Umbraco is a leading open-source .NET Core CMS with over 700,000 active installs worldwide and a vibrant community of over 220,000 members. Since its inception on February 16, 2005, Umbraco has...
Strapi is the leading open-source headless CMS: 100% JavaScript, extensible, and fully customizable. Strapi enables developers to build projects faster by providing a customizable API out of the...
Ghost is an open-source publishing platform designed for professional bloggers, journalists, and content creators seeking a streamlined and efficient way to publish and monetize their work. Built...
A free, open-source enterprise CMS that focuses on editor experience, accessibility, and sustainability. There are no license fees and no hidden costs. 74% of developers choose Django for...
django CMS is an Enterprise Content Management built with Django and one of the most active open-source projects in the Django ecosystem. Since 2007 it powers tens of thousands of sites large and...
ApostropheCMS is a modern, open-source content management system (CMS) designed for teams that value flexibility, performance, and an exceptional editing experience. Built for developers and...
ProcessWire is a free, open-source content management system (CMS) and web application framework designed to provide developers and content editors with a flexible, scalable, and user-friendly...
Payload is a free and open-source Headless CMS built with React and TypeScript. It's the happy medium between application framework and CMS, boosting your development process, while staying out of...
Directus is the collaborative backend for modern applications and AI. Directus sits beside any new or existing SQL database, providing a unified API and visual Studio that transforms your live...
KeystoneJS is an open source framework for developing database-driven websites, applications and APIs in Node.js. Built on Express and MongoDB. KeystoneJS is the easiest way to build...