Bartosz Romanowski

This plugin provides a simple [tag] shortcode.
Replacing patterns:
[tag]tag name[/tag]
<a href=”http://yourdomain.com/tag/tag-name/” title=”tag name”>tag name</a>
[tag slug=”tag-name”]your text[/tag]
<a href=”http://yourdomain.com/tag/tag-name/” title=”tag name”>your text</a>
[tag name=”tag name”]your text[/tag]
<a href=”http://yourdomain.com/tag/tag-name/” title=”tag name”>your text</a>

Simple Tag Shortcode

This plugin provides a simple [tag] shortcode.

antonioandra.de

Enables your blog readers to suggest new post tags or upvote/downvote existing ones. 
Downvoted tags are eventually removed. 
A few more features are on the works as is the expansion of this readme document.
<h3>RoadMap</h3>
Add some frontend feedback; 
Add support for custom taxonomy tagging; 
Synonym dictionary; 
Better documentation, ui and automatic integration.

Author: António Andrade

Enables your blog readers to suggest new post tags or upvote/downvote existing ones.

Simple Tag Shortcode vs Author: António Andrade