AJAX is admired for the establishment of rich Internet applications, but there are high-quality options. This article will establish you to Flex applications, rich Internet applications that run inside the Adobe Flash player. The development of Rich Internet Applications is now in progress.  Some people are calling this "Web 2.0," but it is really the alteration from a page based browsing experience to one that more closely is similar to desktop applications.  A diversity of technologies can be used to distribute this experience; AJAX is presently one of the more popular sets of technologies, principally because it can be effortlessly adapted into obtainable web based applications.

However, for those who are searching for something more vigorous, there appears to be two early front runners: Flex based applications that run in the Flash player from Adobe, and XML based applications from Microsoft. Here in this piece of work, you will be introduced to Adobe's Flex product line, including Adobe Flex Builder and Adobe Flex Enterprise Services. Flex applications are Rich Internet Applications that are developed by using tools from Adobe.  These Flex applications run inside the Flash player, influencing the present installed base of the Flash player. 

Adobe Flex is a rich Internet application (RIA) framework that allocates you to build scalable, cross-platform, multimedia-rich applications for delivery within the enterprise or across the Internet. Begin your search by using Adobe Flex for resources, downloads, tutorials, documentation, books, e-books, articles, blogs and more. Adobe Flex will help you to develop applications in organized manner. Flex applications can be written using Adobe Flash Builder or by using the generously accessible Flex compiler from Adobe.

Adobe Flex Enterprise Services is a tool generally targeted at large enterprises, but will also be made accessible free to individual developers.  The limitation on the free version of Flex Enterprise Services is that it will be limited in the number of simultaneous connections it allocates, and in the number of servers on which it can be installed.