Gaia Ajax Widgets is an Ajax library for ASP.NET and Mono. It is a “high-level library”, meaning it abstracts away JavaScript 100%, and the developer doesn’t have to write anything other than his favorite .Net language like C#, VB.NET, IronPython, or Boo (Mono).

Pyxer is a Python AJAX Server/ Framework similar to the Jaxer project of Aptana. Instead of writing client side code in Javascript you can use Python. The Python code will be translated to Javascript before send to the client. You may also have server side code defined in the HTML file that can asynchronously be called form the client with seamless use of AJAX in the background.

Here are some good examples/widgets, with a great debug window so you can see what’s happening.

jQuery takes common, repetitive javascript tasks and strips out all the unnecessary markup, leaving them short, smart, and understandable. It aims to simplify “how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages.” The latest stable version and a catalog of plugins Tutorials are available here the project’s blog is here and here’s 37 Shocking JQuery Plugins

From the project’s homepage: “Apache Struts 2 is an elegant, extensible framework for creating enterprise-ready Java web applications. The framework is designed to streamline the full development cycle, from building, to deploying, to maintaining applications over time. Apache Struts 2 was originally known as WebWork 2. After working independently for several years, the WebWork and Struts communities joined forces to create Struts2. This new version of Struts is simpler to use

With the release of GWT 1.4, this popular AJAX package from Google is much faster and its GWT RPC component is no longer tied intimately to servlets, and thus makes it much easier to use GWT directly with Spring. Here is an excellent blog entry that discusses using Spring and GWT together, complete with lots of example code and spring configurations. Here is another blog entry which describes 4-5 approaches for GWT and Spring integration.

ZK is an event-driven, XUL-based, AJAX-embedded, all Java framework to enable rich user interfaces for Web applications. With ZK, you represent and manipulate RIA in XUL/HTML components all at server, as simple as you did for years in desktop apps. JBOSS recently (summar, 2007) announced the ability of Seam to integrate with ZK.

Helpful articles for Ajax Development (if you have a really useful link to add, go ahead) General Articles From Jesse James Garrett (who coined the term) Ajax: A New Approach to Web Applications (original article defining Ajax) Why Ajax Matters Now Weighing the Alternatives – How does Ajax compare to other RIA techniques? Basic Tutorials Basic Ajax Tutorials developer.mozilla.org – AJAX – Getting Started Mastering Ajax – 3 part series