KeystoneJS

Keystone provides a Node.js‑based headless CMS and application framework that generates a GraphQL API and an administrative UI from a developer‑defined schema. By describing content models with its declarative APIs, users obtain automated CRUD operations, relational data handling, migrations, and event hooks without writing boilerplate code. The system supports both JavaScript and TypeScript, includes built‑in access‑control and session management, and can be deployed on any platform that runs Node.

The platform targets developers who need a flexible backend for structured content projects, from simple sites to complex enterprise applications. It is useful for teams that want to define custom data models, integrate server‑side logic, and expose a programmable API while retaining full control over the implementation. The open‑source MIT‑licensed project is self‑hostable, offers a free tier with no subscription requirements, and is maintained by a community of contributors since 2013.

What sets Keystone apart is its “batteries‑included” approach: a comprehensive set of field types, type‑safe schema definitions, and a ready‑made management UI are delivered out of the box, allowing rapid prototyping and scalable growth without sacrificing extensibility.