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Microformats Implementations and Implementors

This page lists the applications, plugins, sample code, services, tools as well as companies, developers and organizations which support microformats, along with the developers responsible for doing so that have chosen to be listed. This is only a partial list. If you know other companies implementing microformats, please add them and list their services and what specific microformats they support.


Most microformat specifications have an "implementations" section, e.g.:

In addition, some microformat specifications have separate implementation pages:

Applications / Plugins / Services / Tools

Alphabetical listing of all applications, plugins (grouped with their app/tool), services and tools that implement microformats, along with the list of microformats that are supported, and the company and/or developers responsible for it.

As a user, the implementations listed below will automatically help you use microformats and help your data portability and interoperability with other apps and services.

Andy Hume Blog

  • Andy Hume uses the hCard format to mark-up the names and URLs of commentors on his blog.
    • by Andy Hume


Community Server


Upcoming module for Drupal



Flickr People


Google Search

Google Creative Commons Search

hCalendar creator

hCard creator

  • The open source hCard creator (originally published by Tantek) is a very simple, yet illustrative, open source user interface / form / script which creates an hCard in real-time as you type in a set of contact information.
    • by Tantek Çelik

hReview creator

Ice Rocket

iChat buddy list to hCards

  • iChat buddy list to hCards - open source AppleScript to automatically convert one's buddy list in the MacOSX iChat AIM client into a valid XHTML 1.0 Strict list of hCards.
    • by Tantek Çelik




Laughing Squid Calendar



Nature Network Boston





Spanning Salesforce


  • SPRACI - nightlife/events - hCalendar published in events listings, aggregator can read hCalendar

Technorati Contacts Feed Service

Technorati Events Feed Service

Technorati Microformats Search

Technorati Search

Technorati Tags

  • Technorati Tags pages aggreagte blog posts tagged with the rel="tag" open tagging standard, in addition to recent tagged photos and links.

  • - hCalendar support in events listings and individual events.
    • by Andy Baio, Leonard Lin, Gordon Luk



  • brian suda has created several XSLT files to extract microformats from HTML. From that the X2V webservice/favelet emerged. The XSLT and favelet extracts hCard and to produces .vcf (vCard) files and hCalendar to produce .ics (iCal) files. Also in the labs is a universal XMDP validator and a site-wide search spider that recognizes 'no-follow', 'license' and other microformats so they can be used in a more semantic way when displaying search results.

Yahoo Creative Commons Search

Yahoo Local

Yahoo Tech

Yahoo UK Movies

Companies / Developers / Organizations

(Considering moving all of these to an implementors page of its own).

Thanks to all of the hardworking developers and innovative companies and organizations for supporting microformats.

This is an alphabetical listing of all companies, developers (by last name) and organizations who have built and shipped at least one implementation (see above for details of each implementation) that users can use.

Please help complete this list! If you have coded support for microformats and don't see your name, add it! If your company supports microformats in its applications, add it!

Andy Hume

David Janes


Laughing Squid

Nature Publishing Group




Additional Sites

Additional static/read-only sites which enhanced their content with microformats.


  • Avon - publishes all 40,000+ Avon representatives' contact info with the hCard microformat.

Flock About Page

Iowa Military Veterans Band

Nature Publishing Group

  • Nature implement XOXO on various sites including the homepage, and are steadily rolling out microformats across their sites and titles.

Sunnyvale House Concerts

Technorati About Page

University of Bath

Web Essentials

general info

Some notes on initial thoughts around Guidelines and Strategies for Implementing Microformats