Strapi is an open source headless CMS that provides a customizable content management system and API for your projects. It allows you to manage content in a visual interface and use a REST or GraphQL API to retrieve the data.

A website that uses GraphQL as a query language to manage data fetching and state management. This includes features such as a strongly typed schema, client-side caching, and declarative data fetching to streamline data management and optimize website performance.