Jeff Farthing

Have you ever needed to display the tags for the current post somewhere other than below the post, as is standard in many themes? Now, with Post Tags Widget, you can place them anywhere you have a widget area! And it will only display when viewing a single post that actually has tags!

Post Tags Widget

Display tags for the current post in a widget.

Boone Gorges

This plugin inserts a link into the Post Tags box on the post edit screen that allows users to select from the most popular tags on the entire WPMU install.
Developed for the CUNY Academic Commons. Visit http://commons.gc.cuny.edu to learn more about this bitchen project.

Sitewide Tag Suggestion

Creates "choose from most popular sitewide tags" function on post edit screen

Post Tags Widget vs Sitewide Tag Suggestion