slaptijack

Suggest Tags creates a list of tag suggestions based on the content of the post you are editing. Since the Yahoo! Term Extraction API is going to be shutdown at the end of August 2009, this plugin uses the term extraction API from tagthe.net.

Suggest Tags

Suggest Tags uses the tagthe.net tagging web service to generate a list of tag suggestions.

dufour_l

Easy Additional Tags is an update to the much loved Multiple Tags plugin. 
Through this plugin, users are able to use additional tags, which are combined under groups called “groups tag name”
Users are able :
<ul>
<li>to add tags, which are combined under groups called “groups tag name”</li>
<li>to add up to ten custom groups tag name</li>
<li>to select the groups tag name in Add New Post section</li>
<li>once they have published a post, all tags under the respective group name will be added to the tag section.</li>
<li>to edit the additional tags in quick edit</li>
<li>to bulk edit</li>
</ul>
For More information : https://laurentdufour.eu

Easy Additional Tags

Easy Additional Tags is an update to the much loved Multiple Tags plugin.

Suggest Tags vs Easy Additional Tags