Simple Tag By Category
Add Tags in slidebar for a particular category
Plugin Tag: tag
Twitter Tools – Google Analytics Tagger
Tag all your URL's posted to twitter with Google Analytics tags using Twitter Tools
CC-IMG-Shortcode
This plugin adds the [img] shortcode which replaces the “ html tag.
Author: António Andrade
Enables your blog readers to suggest new post tags or upvote/downvote existing ones.
Add User Meta
This plugin simply adds custom user meta keys when a user registers an account.
Multisite Taxonomy Widget
List the latest posts of a specific taxonomy from your blog-network.
Suggest Tags
Suggest Tags uses the tagthe.net tagging web service to generate a list of tag suggestions.
Cloud-O-Google Queries
Cloud-O-Google Queries is a filter to display keyword clouds based on search engine queries.
Disable Auto Tag Suggestion
This plugin Disables auto tag suggestion in the tagbox when posting new tags.
Analyzer II
Analyzer II allows the automatic tagging of pages generated by WordPress.
yt_EachUser
The list of videos is displayed specifying the user of Youtube.
aoringo TAG upper
Beautifully decorated "IRC" chat data.
Tag counter
Writes in the slidebar the numbers of tags
Matt’s Community Tags
Allow a moderated community to assist in tagging primarily photographic content, image attachments and such.
tags.mowster
Tags suggestions using YQL Yahoo Content Analysis API.
Wp Tag Magic Widget
Display selected tags or categories as a tag cloud using a sidebar widget or shortcode.
Simple Tag Manager
Easily and automatically add Google Tag Manager and Google Analytics in your website.
Related King Pro
Drive your visitors to related posts via matching tags and keep them on site
Auto Describe Taxonomies
Using freebase, this plugin will auto describe tags and categories.
Allow Html In Terms
Allow HTML in terms (category, tag) descriptions.