'Already Existing Tags' tries to make your life as blogger easier with the auto tagging function.
This plugin uses keywords provided by the user to automatically add tags to posts according to their title, content and excerpt.
TagGator Automatically tag to your posts so you dont have to! Tag your posts based on their contents automatically.
Scripture Highlighter turns your Bible verses into a clickable link that will open a pop-up with the full scripture reference.
Reftagger Shortcode creates a button in the TinyMCE visual editor in WordPress allowing you to easily add semantic Bible markup.
Reftagger turns Bible references into links to the verse on Biblia.com and adds tooltips with the text of the verse.
AlchemyTagger analyzes your writing as you blog, suggesting useful tags to describe and categorize your posts.
The plugin performs semantic analysis of your post text and suggests tags for you using Open Calais.
Goes through your archives and adds tags to your posts based on semantic analysis.
Fast and efficient post tagging using multiple tag suggestion APIs, plus mass tag suggestions and editor.
The plugin performs an analysis of your post text and suggests tags for you.