The plumbing overview
Application Communication Third Party
Web Browsing
Browser (e.g. Firefox) HTTP Web Server (e.g. nginx)
Web Publishing
Editor (e.g. Quill) Micropub Micropub Endpoint (e.g. Known)
“WordPress” Editor (e.g. MarsEdit) MetaWeblog API MetaWeblog Endpoint (e.g. WordPress)
Web Reading
IndieWeb Reader (e.g. Together) Microsub Microsub Endpoint (e.g. Aperture)
RSS Reader (e.g. Reeder) HTTP XML file on Web Server (e.g. an Atom feed)
Proprietary Protocol Feed Service Endpoint (e.g. Feedbin)