Pau Iglesias

The process to creating a post is not just writing, most of the time you need categorize, assign tags, etc.
But how are you sure of the quality of assignments? Too many categories? Missing tags in some posts?
This plugin allows you to detect these entries defining operations related to the number of terms.
Also have full support for custom post types and custom taxonomies.

Entries By Terms Count

The process to creating a post is not just writing, most of the time you need categorize, assign tags, etc.

Birchdunford

Tags, tagging, and post tags made easy. Stop thinking about what tags you should add, forgetting to add certain tags, and typing in tags by hand. Let Tagbag do the work for you. Just look at the list of suggestions, click the ones you want, and move on. More on Tagbag: 
<a href="http://www.explodybits.com/2012/04/tagbag-wordpress-plugin/" title="explodybits (xb)" rel="nofollow ugc">explodybits (xb)</a>

Tagbag

Tagbag, takes the thought out of selecting tags for your post

Entries By Terms Count vs Tagbag