Ajax and PHP related widgets @ http://www.wassons.org/pajaj/public/widget/AjaxTabWidget.php

Here is a jQuery plugin that lets you create JavaScript tabs very easily - once you assembled the HTML with just one line of JavaScript code.

more @ http://stilbuero.de/2006/05/13/accessible-unobtrusive-javascript-tabs-with-jquery/

Watch videos to see what you can do with ASP.NET AJAX in your own applications. Ajax with ASP.Net video tutorials

Watch it @ http://ajax.asp.net/

Find lots of free cheatsheets, quick references, and downloadable resources for programming languages and related technologies online.Very good link

visit http://deptoinformatica.blogspot.com/2007/06/essential-html-css-javascript-php-and.html

Apollo is the code name for a cross-operating system runtime being developed by Adobe that allows developers to leverage their existing web development skills (Flash, Flex, HTML, JavaScript, Ajax) to build and deploy rich Internet applications (RIAs) to the desktop.

Simple and basic apollo application @ http://www.developersnippets.com/?p=48 Source code for download available.