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Free Ajax Tutorials and Libraries

W3 Schools AJAX Tutorial
An AJAX tutorial from the helpful people at W3Schools.

Ajax in Action
There are two sample chapters and a 22-minute screencast on ajax available for free at the site for the book (source code appears to be available too). You will need to register with an email to see the screencast though.

ASP.NET Atlas
Atlas is a free framework from Microsoft for adding Ajax to ASP.NET pages.

YUI
YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.

Google Web Toolkit (GWT Project)
This is a java software development kit that lets you build AJAX applications like Google Earth and Gmail. You write your program in Java, and the GWT compiler converts your Java classes to browser-compliant JavaScript and HTML.

Getting Started with Ajax
This article at A List Apart is an excerpt from the book Web Design in a Nutshell and covers using ajax with innerHTML and Nodes to manipulate page content dynamically.

Sarissa
Sarissa is a cross-browser ECMAScript library for client side XML manipulation, including loading XML from URLs or strings, performing XSLT transformations, XPath queries and more. Supported: Gecko (Mozilla, Firefox etc), IE, KHTML (Konqueror, Safari

NAJAX
This package can be used to call PHP classes on the Web server side from Javascript code in Web pages. It uses AJAX technology to submit HTTP requests from Javascript to pass call parameters and collect and process the responses.

Rico
Rico provides a very simple interface for registering Ajax request handlers as well as HTML elements or JavaScript objects as Ajax response objects. Multiple elements and/or objects may be updated as the result of one Ajax request

xajax
xajax is an open source PHP class library that allows you to easily create powerful, web-based, Ajax applications using HTML, CSS, JavaScript, and PHP. Applications developed with xajax can asynchronously call server-side PHP functions and update content without reloading the page

Sajax
Sajax is an open source tool to make programming websites using the Ajax framework ? also known as XMLHTTPRequest or remote scripting ? as easy as possible. Sajax makes it easy to call PHP, Perl or Python functions from your webpages via JavaScript without performing a browser refresh

DWR: Direct Web Remoting
DWR is a Java open source library which helps developers wanting to write web sites that include AJAX technology. It allows code in a web browser to use Java functions running on a web server as if it was in the browser.

AjaxAnywhere
AjaxAnywhere turns any set of existing JSP components into AJAX-aware components without a complex JavaScript coding. Simply separate your web page into multiple zones, and use AjaxAnywhere to refresh only those zones that needs to be updated.

How To Use AJAX
Kris Hadlock explains how to use AJAX in a real-world situation and how you can assess its value in a project. By the time you finish reading this article, you'll know what AJAX is as well as where, why, and how to use it.

Very Dynamic Web Interfaces
This article explores the use of JavaScript and the XMLHttpRequest object.

Ajax Programming
This Wikipedia article has some general information about Ajax programming including example sites using ajax.

AJAX:Getting Started
This article at the Mozilla developer center guides you through the AJAX basics and gives you two simple hands-on examples to get you started.

Rasmus 30 second AJAX Tutorial
N/A

Using the XML HTTP Request object
Ajax articles that is a short tutorial with ajax examples.

AJAX: Instant Tutorial
More of a short article than a tutorial on how to make a call to an http server get content and load it into your existing page without having to refresh the whole page.

A Simpler Ajax Path
This ajax article looks at some ways to handle server-side errors to make debugging less of a headache. It uses the example of a html form that posts to a server-side Ruby script.

The Hows and Whys of Degradable Ajax
Includes an online example and downloadable code (php is used server-side).

Ajax Tutorial: Ajax What Is It Good For?
Walks through the basics of Ajax and culminates in the building of a little Ajax powered Fading Image Gallery application.

Remote Scripting with AJAX,
This two-part series of articles covers remote scripting using the AJAX XMLHttpRequest protocol. Part one walks through an example application that demonstrates how to implement the protocol, while part two shows how to create a usable interface.

An Introduction To Ajax
This articles is an introduction to ajax programming and using the DWR java library.

Developing AJAX Applications the Easy Way
This article demonstrates the use of DWR, a Java open source library, to create a multi-user web-based chat site. It demonstrates how simple it is to integrate JavaScript in the web browser with Java on the server.

Ajax on Rails
This article introduces the incredibly easy-to-use Ajax support that is part of the Ruby on Rails web application framework.

Ajax Mistakes
A list of the many mistakes developers using Ajax often make.