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.

kamiel79

Adding tags on the fly by just prepending a word you want to use as a tag with a “#” was a functionality I missed in the WordPress backend.

Tag With Hash

I'll give 5 rating if this plugin updated and works

Not works

Automatically turn terms into tags if you precede them with a #. Nonexisting tags are created.

Author: António Andrade vs Tag With Hash