Strapi
Strapi is an open-source headless CMS with a Node.js backend. Developers create content structures via a web UI, then deliver JSON data to any front-end. It supports authentication, role-based access, and customizable APIs. The community edition is free, while enterprise adds advanced features. Strapi suits developer-centric teams wanting a self-hosted, open-source headless platform that’s flexible, extensible, and easy to integrate with modern JavaScript frameworks.