Add some tools for taxonomies : Terms suggestion, Mass Edit Terms, Auto link Terms, Ajax Autocompletion, Click Terms, Auto terms, Advanced manage term
A example tag cloud (with dynamic color and size)
Do you have a not yet tagged blog ? Edit mass tags options is perfect for you : tag 20, 30 or 50 articles with autocompletion in one step !
Autotagging your content !
Add tags easily with click tags !
To help you to add easily tags, Simple Tags has an autocompletion script. When you begin to tape a letter or more, a list a tags appears : you have only to choose ! You can choose the down direction to see all the tags.
You also can suggest tags from lot's of service (Yahoo! Content Analysis, OpenCalais, Alchemy, Zemanta, Tag The Net, Tag4Site, dataTXT and local terms)