The W3C recommended Micropub specification (2017) allows developers to create custom posting applications for a wide variety of data targeting any content management system that supports the spec.
Chris Aldrich provide an overview of the available plugin and endpoint for WordPress and a variety of client applications like Quill, Teacup, OwnYourGram, OwnYour Swarm, Omnibear, that allow one to post status updates, bookmarks, likes, check-ins/location data, photos, and more directly to WordPress sites.
We’ll also talk about how developers can create custom posting interfaces to drastically simplify content creation and posting for clients in ways that can be even simpler than working with Gutenberg.