Open Source Apps for content management system

Directus is an open-source headless CMS and data platform that turns any SQL database into a powerful API and a feature-rich app for content management.

Payload is an open-source headless CMS with a modern admin UI, designed to power websites and internal tools with a customizable backend that you fully own.

Sanity is an open-source, composable content platform that offers a flexible content workspace, powerful APIs, and real-time content storage and distribution, enabling businesses to treat content as a competitive advantage.

Strapi is an open-source headless CMS built with Node.js, offering a flexible and customizable content management solution for developers to create, manage, and expose structured content.

Umbraco is a flexible, open-source content management system (CMS) built on the .NET framework, offering a user-friendly interface for content creators and powerful tools for developers.