content management systems
One general category of microformats Microformats Implementations.
There are numerous modern content management systems (CMS), that often started as blogging tools, often open source, that support of microformats, both by default, and with the installation of themes, plugins, or extensions.
adding microformats support to CMS
See the specific pages for each CMS for specific support and instructions to learn what microformats are supported in default installations and how to add more microformats support to your installation
See also: blogging tools.
requesting more microformats support
List what cms tools/features/plugins you want to support more microformats, contact their authors and communities with requests and document the requests: