Craft CMS is an open-source CMS released in 2016 by Pixel & Tonic, known for flexible content modeling, Matrix fields and native GraphQL headless mode, with single-instance multi-site and multilingual support, adopted by brands such as Netflix and Spotify.
Butter CMS is a headless CMS founded in 2014 in Houston, Texas, United States, using an API-first architecture with a built-in blog engine and content modeling, offering SDKs for mainstream languages and designed for marketing and content teams.
WordPress.com is a managed WordPress platform launched by Automattic in 2005, with built-in Jetpack backup, security, and a global CDN and unlimited bandwidth on paid plans, letting users run sites without operating servers.
Webiny is an open-source CMS built on an AWS serverless architecture, combining a Headless CMS, Page Builder, and GraphQL API. It shines at on-demand scaling and zero server operations for teams already on cloud infrastructure.
Brink CMS, founded in 2018 by Chris B. and headquartered in Sweden, is a headless content management system designed for static websites, offering an API-driven content management experience.