Netlify CMS

 Netlify CMS  is a content management frontend for static sites stored in GitHub, GitLab or BitBucket repos, made by Netlify.

IndieWeb Examples

 * Bridget Stewart syndicates post to Twitter.

Other Examples

 * uses Netlify CMS to manage his blogroll "microservice" (https://www.jvt.me/posts/2018/12/23/microservices-static-site/)