Usability on websites is exploding right now. AJAX has enabled web developers everywhere to add functionality to their sites like never before. there are 40 useful AJAX applications for use on any website. Keep your users coming back and increase your website’s functionality.

General Purpose

• Dragable RSS Boxes
  Create draggable content boxes with Ajax. Requires PHP
  

• AJAX Poll
  Create an AJAX powered poll. Requires PHP and mySQL.
  
• TableKit
  Create tables that can be sorted and resized on the fly with AJAX.
  
• JqUploader
  Use AJAX and jQuery to add file upload to your site.
  
• Dynamic Articles
  Dynamically loaded articles.
  
• CoolTips
  AJAX powered tooltips for your site.
  
• Embed Google Maps
  Click a link and copy ONE LINE of code to past Google Maps anywhere on your page.
  
• AJAX Page Transitions
  Load the next page in the series without changing the URL or refreshing.
  
• Stringify - AJAX Page Transitions
  Use this script to add page transitions to your site.
  
• bmgadg - AJAX Calendar
  An AJAX powered calendar.
  
  
  
• AjaxWP - WordPress Enhancement
  Use this WordPress script to enhance your blog with lots of AJAX.
  
• LightWindow
  LightWindow is similiar to the other “lightbox style” scripts except that you can put ANYTHING in the pop-up window. Very powerful.
  
• Advanced RSS Ticker
  Add an AJAX powered RSS ticker anywhere on your site.
  

Chat Boxes

• Shoutbox Examples
  Use this script to add a shoutbox to your site.
  
• YShout 5
  An amazing shoutbox powered by PHP and AJAX.
  
• AJAX Shoutbox For WordPress
  This AJAX shoutbox started as a small code snippet and has now become a full-fledged wordpress add-on.
  
• Lace - AJAX Chat
  A free AJAX chat script for your site.
  

Tabbed Content

• Building Tabbed Content With AJAX
  Instructions and codes on how to build tabbed content in AJAX.
  
• AJAX Tabs Content Script
  Another tabbed content AJAX script that is easy to implement.
  
• Mootools Demo - Accordian
  Have content that can fold in on itself in the style of an accordian.
  
• Accordion v2.0
  A variation on the accordian style folding content in AJAX.
  

Forms

• Really Easy Field Validation
  Form validation powered by AJAX. Some coding knowledge required.
  
• AJAX Contact Form
  A contact form that you can use “out of the box”.
  
• Nice Forms
  Add some AJAX to your forms to make them look beautiful!
  
• AJAX Auto-complete
  Use AJAX to auto complete form inputs.
  

Text Editing

• Resizing Textarea With AJAX
  Dynamically resize your textareas to fit whatever you are typing.
  
• Moo Textareas
  Increase or decrease the size of any textarea.
  
• Whizzywig
  A free AJAX What You See Is What You Get (WYSIWYG) editor for text boxes.
  
• AJAX Inline Instant Update Text 2.0
  Use AJAX for inline editing without the need to learn JavaScript.
  
• AJAX Edit In Place
  Another edit in place AJAX script, this one has many options.
  

Status Indicators

• AJAX Status Indicator Creator
  Here you can create you own status indicator.
  
• Status Indicator GIFs
  Free status indicators for use on your AJAX enabled pages.
  

Galleries And Images

• AJAX Slideshow
  Create a dynamic AJAX slideshow.
  
• GreyBox
  GreyBox is a tiny (22kb) script that opens a window with whatever content you like.
  
• E2 Photo Gallery
  A free, open-source, AJAX enabled gallery for your website.
  
• ZenPhoto
  ZenPhoto is a very lightweight, very powerful photo gallery with AJAX features.
  
• Litebox
  Litebox is the AJAX version of Lightbox. It’s just as powerful and only a fraction of the size.
  
• Mini Showcase
  Mini Showcase is a lightweight AJAX powered gallery.
  
• Flickr Show
  Use this AJAX script to put a flickr slideshow on your website.
  
• AJAX Banner Rotation
  AJAX banner rotation. Rotated banner ads and even chunks of HTML.