This plugin makes generating tags for posts much easier. Plugin has two main elements: integration into post editor panel Tags meta box and powerful Auto Tagger to generate tags for all posts. Plugin supports custom taxonomies and custom post types. To extract tags, plugin supports internal extraction engine and 4 online extraction engines to generate tags based on the content.
Version 1.5 - 2015.08.01.
New: Support for OpenCalais service new tagging API
New: Auto tagger limit number of posts to tag
New: Auto tagger option to skip previously tagged posts
New: Auto tagger sets custom field for every tagged post
New: Auto tagger control to reset if tagger gets broken
Changed: Old OpenCalais API marked as Legacy
Changed: Many additions to plugin documentation
Fixed: XSS vulnerability with admin side tabs loader
Fixed: Yahoo problem when returning only one tag for content