Märt Rang

This plugin adds new shortcode: [shortcode_ajax][/shortcode_ajax] 
Originally written for WP-Table Reloaded plugin to add ability reload some tables dynamically. It should work with other plugins too!

Shortcode Ajax

Easiest solution to add some ajax to shortcodes.

reubenthiessen

This is a WordPress plugin allows you to use a shortcode like this,<code>[translate_this lang="fr"]un texte en français[/translate_this]</code>,
to automatically insert Google’s Translate Web Element which creates an AJAX-enabled link that will translate the block of text in-line.
For more information about the Google Translate Web Element, <a href="http://translate.google.com/translate_tools" rel="nofollow ugc">click here.</a>

Translate This gTranslate Shortcode

Insert a shortcode to use Google Translate's AJAX text block translator.

Shortcode Ajax vs Translate This gTranslate Shortcode