Add your own custom fields to all wordpress taxonomies, easily and efficiently, directly from admin UI.
Have finer control over your taxonomies so that you can have better organisation of your posts by using taxonomies other than just Categories and Tags
Inserts a Wikipedia-like metabox into posts with all the post's associated custom fields and taxonomy terms.
This plugin integrates a tooltip dictionary/glossary/thesaurus with terms definitions stored at wikitip.info. Users may create their own clusters for
Easier tagging thanks to suggestions from OpenCalais
Registers taxonomies programtically from a config array and provides other helper functions.
Outputs a list of post-relevant keywords different from the categories. (Maybe useful for SEO).