Natheo is a modern, open-source headless CMS built on Symfony 8, Vue.js 3, and Tailwind CSS. It combines a full-featured admin back-office with a REST API, letting developers manage content through a clean interface and deliver it to any front-end. With multilingual support, robust permissions, and compatibility with MySQL or PostgreSQL, Natheo offers a modular and performant solution for teams who want full control over their content infrastructure. Released under GPL-3.0.