INAP uses AJAX to replace excerpts with the full posts, paginate posts, load comments and submit comments. Comes with a extremely powerful Admin Panel
Benjamin Sterling Galleries provides an interface to set up gallery widgets using Picasa / Flickr / WordPress Uploads and jQuery
AJAX Page Loader will load posts, pages, etc. without reloading entire page. This was my first plugin and is still a little quirky. There is problem
Gregarious is the ultimate social bookmarking plugin. Everything is configurable. Share link, Digg button, stats, FeedFlare, LiveSearch and more.
add ajax-comment functionality to wordpress mu (site-wide)
Post comments quickly without leaving or refreshing the page.
This plugin enables you to save any WordPress post/page with Ajax.
Display comment posting error message within the editing page.
This plugin replaces the existing WordPress dashboard with an ajax homepage style of dashboard.
Show your teamspeakserver as a widget in your wordpress-sidebar.
Adds a Google AJAX Search box on your site. Options include searching your site through Google Blog Search and/or straight up Google, a second search
A plugin for wordpress which enables AJAX login, user registration and password retrieval.
AJAX-powered poll plugin for WordPress.
Bring your Bible references to life with this eBibleicious plugin. It automatically finds references and handles everything.
Holler is a customisable contact form that uses AJAX to send messages without leaving the current page. It can be configured to send to a choice of a
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