What are some alternatives?
When comparing Flamelink.io and Kentico Cloud, you can also consider the following products
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.
PushTable - Headless CMS for Google Firestore and Firebase
Progress Sitefinity - Sitefinity's web content management software is a marketing command center to drive growth for your business. Easily manage multi-site experiences deployed your way.
Strapi - Strapi is the most advanced Node.
WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
GraphCMS - The GraphQL Headless CMS