"TagGator Pro - WordPress Auto Tagging Plugin!
TagGator Pro is a complete WordPress solution for Tags,
it will create, and assign them based on the keywords
discovered in your contents.
Configure TagGator correctly once, and never worry about
tagging posts ever again.
Based on your website’s contents, provide TagGator with
tags and keywords. Many keywords can be used to trigger
a single tag.
TagGator Pro can tag posts as you create them so that
you don’t have to. Or you can scan all posts and your
tags at any time."