Provides the implementation of AJAX technology introduced by Microsoft.

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.

Specification by W3C, of the base of AJAX.

Provides a browser platform to help develop AJAX applications.

An informational site providing Asynchronous JavaScript and XML development information including code libraries, sites using ajax, and books on ajax.

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

An ASP.NET 2.0 Ajax Widget library

The author gives his opinion on when AJAX should be used on websites and when it shouldn't.

Provides news, reviews, tutorials and demos about AJAX with JQuery.

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.