KeystoneJS

More than any other CMS or App Framework, Keystone enables you to expand projects more quickly. You may receive a robust GraphQL API and lovely Management UI for content and data by just describing your schema.

Express and Mongoose are the foundation of KeystoneJS, a potent Node.js content management system and web app framework.

The elegant auto-generated Admin UI that comes with Keystone makes it simple to build complex websites and apps.

Cosmic

For both developers and content creators, the Cosmic Headless CMS offers a versatile and scalable content management experience.

The Cosmic CMS is used by businesses to manage their blog content since it is simple to manage team members, content, and approval workflows. Your team can build apps and manage content more quickly by working collaboratively with capabilities like Revision History, Content Preview, and Scheduled Publishing.

Cosmic offers simple content modeling and migration tools to make it easier for you to get started, whether you're creating a new blog or transferring an existing one.

Since Cosmic has guidelines for several JS frameworks, including React, Vue, Angular, and Node.js, it is mostly used for websites and applications created in JavaScript. However, it has expanded to include tutorials for Go, Ruby on Rails, Java, .Net, and Python as well.