Open Source Headless CMS
This theme includes headless CMS platforms that are open-source, allowing developers to modify and extend the functionality according to their project needs.
Updated June 14, 2026
Products that define this theme
A representative set of Headless CMS Software products that exemplify Open Source Headless 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 Headless CMS Products?
The 5 products shown represent a defining sample for the "Open Source Headless CMS" theme within Headless CMS 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.
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...
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...
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...
Cockpit was born out of the need of building a simple dynamic site.