Contentful - You don't need another CMS. You need a better way to manage content — unified, structured, and ready to deploy to any digital channel.
Quintype - Data-driven publishing platform for digital content creators
Strapi - Strapi is the most advanced Node.
Cockpit CMS - Add content management functionality to any site - plug & play CMS
Prismic - prismic.io is a web software you can use to manage content in any kind of website or app. API-driven.
GraphCMS - The GraphQL Headless CMS