WordPress Post Tag Plugins

Categories widget with taxonomy option.

Ghost Tags.

Create a list of popular tags widget based on visitor views.

Plugin customized the title, add description and keywords for category and tag pages

The post-tag is added automatically if that is found a content when saving post. Moreover, some similar words can be set to a post-tag.

View Category adds a "View Category" button on the "Edit Category" page, next to the header and submit button.