Get to know Echo2, a pure Java framework for developing AJAX-based web applications. Using Echo2 typically does not require any HTML or JavaScript coding, unless you are extending the framework.

Twitter is ideal for performing all kinds of useful programmatic projects. See how to create a RESTful data application around an XML database, and you will learn how to make the Twitter API work with virtual collections.

XQuery enables you to take advantage of the inherent structure of web pages to create easy-to-write and -maintain data extracts, a building block for new ad-hoc web applications called mashups.

Find out how to use the Virtual Earth AJAX Map Control and the Windows Live Tools for Visual Studio to add sophisticated mapping features to your web applications.

The XML format provides the flexibility to describe anything, but it is also prone to errors and miscommunication. Find out how Resource Description Framework (RDF) can be a solution to these limitations.

Java developers who develop web applications with server-side frameworks often don't have the JavaScript expertise to create rich user interfaces. Learn how Yahoo User Interface (YUI) can help bridge that gap.

jQuery is a small JavaScript library that makes development of HTML-based client JavaScript drastically easier.

The combination of social networking with public messaging, link posting, and subscriptions leads to impressive synergy effects, but there is also the drawback of information overload, information loss, distraction, and content redundancy.

Bash scripts can simplify many OS-oriented tasks for PHP developers. Even better, you can run Bash scripts directly from PHP, passing arguments, arrays, and receiving output that you can analyze or display.

Get a practical overview of the Google Visualization API, from the basics of simple charting to the complexities of implementing your own custom data sources.

Use OpenSocial and the Google Application Engine to take your Flash game to the next level.

The Chief Architect of Platforms explains why Yahoo is opening itself up to developers and why you should want to build applications for them.

Twitter API libraries are available for most popular programming languages, and they're opening up new possibilities for publishing information. Explore a short Python script that tweets when the Dow Jones Industrial Average (or any stock or index you like) makes a big jump.

Merge your SharePoint development with WCF to work around some of SharePoint 2007's problems and enable the thin .NET development model.

Use the advanced CSS features of JavaScript and jQuery to create web applications that behave and look like desktop applications, fueled by drag-and-drop, mouse selection, panning, zooming, and more.

Yahoo! has released a base platform that opens up Yahoo! user data via web standard APIs and also provides a framework for how developers, publishers, and advertisers can build applications on and off Yahoo!.

Twitter's API lets you read and write Twitter messages with minimal coding in nearly any programming language. In fact, you can use this Application Programming Interface without doing any programming.

Once you've established a connection between an Adobe AIR application and a local database, you can run SQL commands (CREATE TABLE, INSERT, DELETE, SELECT, etc.) using the flash.data.SQLStatement class. Find out how.

The OpenBSD, Apache, MySQL, and PHP (oBAMP) platform provides a powerful point of departure for the creation of dynamic web content. Learn the procedures for running OpenBSD 4.4 with Apache SSL, MySQL 5, and PHP 5.

Failing to understand how the Adobe AIR cross-platform runtime environment enforces application security and authenticity could lead to breaches. Find out what steps you need to take to protect users of your AIR applications.