AJAX

Agile Ajax
Provides news, reviews, tutorials and demos about AJAX with JQuery.
http://blogs.pathf.com/agileajax/

AJAX Goals
AJAX community website featuring articles, books, blogs, news and libraries.
http://www.ajaxgoals.com/

Ajax Impact
A portal on Ajax containing news, articles, tutorials, toolkits, sites using Ajax, Ajax Demos etc.
http://www.ajaximpact.com/

AJAX Magazine
Reference for AJAX, Asynchronous Javascript and XML, with news, articles, tutorials, and implementations.
http://ajax.phpmagazine.net

AJAX Matters
An informational site providing Asynchronous JavaScript and XML development information including code libraries, sites using ajax, and books on ajax.
http://www.ajaxmatters.com

Ajax Patterns
A wiki with principles, gotchas, frameworks, and common techniques. Also the homepage for the "Ajax Design Patterns" book.
http://ajaxpatterns.org/

Ajax Projects
Ajax portal for all ajax projects frameworks toolkits and tutorials.
http://www.ajaxprojects.com

AJAX Sample
Provides examples and tutorials to use AJAX technics with ASP.NET.
http://ajaxsample.blogspot.com/

AjaxApp.com
A forum-site for the discussion of interactive web-based application development based on Open Source Technology such as PHP, J2EE, DHTML and AJAX (Asynchronous JavaScript And XML)technology
http://www.ajaxapp.com

Ajaxium
Makes ASP.NET pages and all controls AJAX-enabled but leaves them accessible to all search engines and old browsers.
http://www.ajaxium.com

Ajaxlines
Ajaxlines is a project focused on providing its audience with a database of most of Ajax related articles, resources, tutorials and services from around the world.
http://www.ajaxlines.com

Ajax.NET
Documentation and downloads for an AJAX library that uses .NET for the backend.
http://ajax.schwarz-interactive.de/csharpsample/default.aspx

Ajax.NET Professional Library
Ajax.NET Professional is the first available .NET AJAX framework. As it is working with .NET 1.1 and 2.0 and with all common web browsers including mobile devices it is one of the greatest libraries available.
http://www.ajaxpro.info

Ajaxonomy
Weblog with tutorials and tips to develop Ajax applications.
http://www.ajaxonomy.com/

Ajaxtalk
Asynchronous Javascript and XML discussion board.
http://www.ajaxtalk.com

Aspects of AJAX
Aspects of AJAX is a platform and engine for developing responsive and interactive web applications by using and extending the browser platforms to a Rich Client System.
http://www.mathertel.de/AjaxEngine/

Atlas
Provides the implementation of AJAX technology introduced by Microsoft.
http://atlas.asp.net

BestAjaxScripts.com
Ajax scripts and tutorials. All scripts are absolutely free and have demos. Also it has a search tool to find scripts and tutorials.
http://www.bestajaxscripts.com

Bindows
Provides a browser platform to help develop AJAX applications.
http://www.bindows.net

Encosia
ASP.NET AJAX tutorials and code examples.
http://encosia.com

Fork JavaScript
A general purpose, namespaced JavaScript library with Ajax, Events, DOM manipulation. Good documentation, subversion source repository and download.
http://forkjavascript.org/

Gaia Ajax Widgets
An ASP.NET 2.0 Ajax Widget library
http://ajaxwidgets.com

MyAJAX
An object-oriented implementation for AJAX JavaScript made for ease of use.
http://sourceforge.net/projects/myajax/

OpenAjax Alliance
An organization of vendors, open source projects, and companies that are dedicated to the successful adoption of open and interoperable Ajax-based web technologies. Includes list of members, news, and details of events.
http://www.openajax.org/

Purefect Desktop
Open Source Web Desktop (a.k.a Webtop and Web "OS") that provides Web-based AJAX IDE, Instant Messenger, and its APIs.
http://www.purefect.org/

Sardalaya
Cross-browser interface that aims to make dynamic HTML programming easy and fun.
http://www.sarmal.com/sardalya/

Sote Design using prototype
The Web 2.0 style website designing using Prototype Javascript framework
http://blog.snyke.net/2006/03/25/site-design-using-prototype/

XMLHttpRequest and AJAX Applications - Fiftyfoureleven.com
A weblog with code snippets and proofs of concept.
http://www.fiftyfoureleven.com/resources/programming/xmlhttprequest

The XMLHttpRequest object
Specification by W3C, of the base of AJAX.
http://www.w3.org/TR/XMLHttpRequest/

Stop using Ajax!
The author gives his opinion on when AJAX should be used on websites and when it shouldn't. <small>(April 24, 2008)</small>
http://dev.opera.com/articles/view/stop-using-ajax/