One of several microformats Microformats Implementations. WordPress is an open source blogging tool, that has been more broadly described as a "state-of-the-art publishing platform" and a content management system (content management systems).
Adding Microformats Support to WordPress
Become familiar with existing WordPress support for microformats. Then:
Use a microformats-powered theme, such as:
Use a microformats-enabling plugin, such as:
- Blog Summary to produce an hAtom-enabled list of recent entries via shortcode. By Scott Allan Wallick.
- See plugins tagged microformats on the official WordPress plugin repository for a sampling.
If you use the TinyMCE plugin, consider also installing the following:
- TinyMCE hCard - adds a  icon in your tinyMCE toolbar that provides a form for creating an hCard contact.
- TinyMCE hCalendar - adds a new  icon in your tinyMCE toolbar that provides a form for creating an hCalendar event.
See also the instructions for installing these TinyMCE plugins in modx (tweeted).