Cosmic The 1 Headless APIfirst Content Management Platform Cosmic
Cosmic is a Headless CMS that empowers you to create edit manage content across limitless websites applications from one convenient interface
Blog and CMS
Squidex an OpenSource Headless CMS a CMS with an API
Squidex is 100 Open Source Headless CMS software with a high quality code base centralized structured and with seamless integrations to other systems