Butter CMS vs Outstatic

ButterCMS is a headless CMS that provides a content API for blogs, pages, and structured content. It offers a WYSIWYG editor, content modeling, and SDKs for multiple programming languages.

Outstatic is Git-based CMS for Next.js that stores content as Markdown in your repository with a visual dashboard.. It is available under a free model. This tool falls under the cms category.