Headless CMS with REST and GraphQL API options
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
a client-side CMS for editing GitHub Markdown (and other) files
The best of both worlds for developers and content editors
Blog platform, can be used as headless CMS (ex. with Hexo). Ghost
Prose is a content editor for GitHub designed for managing websites