jameslafferty

This plugin allows you to display a form when users click on links inside of elements with a class you specify. The plugin uses a custom version of jQuery UI on the front end, and does not address situations where Javascript is turned off. It does provide a simple, attractive contact form inside of a modal dialog box.
If you find this plugin useful, please rate it and/or make a donation.
<h3>Internationalization (i18n)</h3>
This plugin has been translated into the languages listed below:
<ul>
<li>fr_FR – French. Thank you to Frederick Marcoux for contributing!</li>
</ul>
If you’re interested in doing a translation into your language, please let me know.

Contact Dialog

Enables display of an AJAX driven contact form when a user clicks on links with a specified class.

Rafiki

Allows for front-end tagging of posts. It uses jQuery UI autocomplete to search the WP DB 
and return the closest matching tag based on the search term. If no tag was found, 
you can add a new tag by simply hitting the enter key.

QuickTags

Allows for front-end tagging of posts via a simple widget.

Contact Dialog vs QuickTags