pump.io : Social server with an ActivityStreams API. It's a stream server that does most of what people really want from a social network.
YOURLS : YOURLS stands for Your Own URL Shortener. It is a small set of PHP scripts that will allow you to run your own URL shortening service (a la TinyURL or...
drupal.org : Drupal is an open source content management platform powering millions of websites and applications. It’s built, used, and supported by an active and ...
Strapi : Open source Node.js Headless CMS to easily build customisable APIs
Simple Content Platform to manage any structured content.
A self-hosted headless and api-driven CMS.