Matthias Pfefferle

A full stack developer, podcaster and blogger, advocate of the #openweb and citizen of the @indieweb and the @fediverse.

My Projects

GitHub repositories that I've built.

A highly semantic WordPress Theme with HTML5 templates, responsive and seo optimized. SemPress supports most of the new HTML5 tags, the new HTML5 input-types, microformats, microformats v2 and microdata (
ActivityPub for WordPress
A Webmention plugin for WordPress
"Autonomie" is a highly semantic, responsive, accessible and search engine optimized WordPress Theme. It provides HTML5 templates refined with microformats, microformats v2 and microdata ( "Autonomie" supports a lot of OpenWeb plugins and is fully IndieWeb compatible.
A list of .editorconfig files, optimized for several projects
Run the 'PHP Coding Standards Fixer' within Atom
CoffeeScript 27 14
An OStatus plugin for WordPress
a simple PHP client library for pubsubhubbub, based on the work of Josh Fraser
A plugin that enables "Well-Known URIs" support for WordPress (RFC 5785:
[INACTIVE] WebMention support for (threaded) comments
OBSOLETE: This feature is part of WordPress core since version 4.4

My Interests

Topics that I want to learn more about.