Firefox Extension for interaction with Microformats
VIREL is a website-friendly crawler for microformats. It is primarily focusing on collecting published open microformats embedded in websites.
The Safari Microformats plugin notifies you when the author of the website has published Microformats and allows you to easily import hCards and hCalendars in Address Book and iCal
Fuzzbot is a native Firefox plug-in that uses librdfa for it's processing back-end. It is most useful for detecting embedded semantic information in web pages and performing actions on that semantic data.
MicroID is not an authentication or single-sign-on service, just a straightforward method for identifying content ownership that complements existing technologies such as OpenID and microformats.
Carnival is a free microformat parser for Safari. Download it, fire it up, and whenever a microformatted site is viewed in Safari, Carnival will glowgreen. Click on the icon to view the available data.
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