TagCloud is an automated Folksonomy tool. Essentially, TagCloud searches any number of RSS feeds you specify, extracts keywords from the content and lists them according to prevalence within the RSS feeds. Clicking on the tag's link will display a list of all the article abstracts associated with that keyword.

A list of lots of sites that show various ways of visualizing delicious tags, from tagclouds to all sorts of other systems.

Gives you html to put anywhere of a tagcloud of your flickr tags. So nice.