What are some alternatives?
When comparing Flamelink.io and Strapi, 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
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
Prismic - prismic.io is a web software you can use to manage content in any kind of website or app. API-driven.
Cloud CMS - Cloud CMS is a headless, API-first approach to content management, built around JSON. It delivers enterprise features, Git-like versioning, content models, allowing your business users create, manage and publish fresh content with ease.