There are various technologies and tools available in the world of information and technology for increasing the interactivity of the web applications.

Adobe flash is the technology popular among web application developers for increasing the interactivity of the web application through animations and integration of videos, as Adobe flash helps the developers to create the animations and various web components, which increases the interactivity of the web applications. Moreover, Adobe flash is used for the rich internet applications (RIAs). On the other hand, Flex is Adobe flash based, rich internet application development tool, it is cross-platform and its common use is within the enterprise and also can be used for increasing the interactivity of the web pages.

Nowadays, trend of internet rich applications is increasing with the cut-throat competition among online business and applications which is needed for making the web application more expressive, to increase the performance level and flexibility with maximum platforms & browsers, developers use flex for the development. With regular research & development programs, developers all over the world seek new ways to increase the interactivity of the web applications and Flex is one of the comprehensive application development tool & solution. Being an open source product Flex is freely available on the internet, which adds one more popularity factor in the field of internet rich application development. Applications developed by using flex is preferred by the online business community as flex developed applications supports complex business logics work on browsers, delivers quick response and does not make user to refresh the page again & again. Flex based application provides high performance as it allows to process huge amount of information. Using the tools more productively depends on application developers, expert developers can develop strong and stable applications by integrating the flex with other technologies such as Java, ColdFusion, PHP and .NET. Plus, by using Flash/flex tools or framework applications can be developed, based on mobile, browser and desktops.

There are various web development companies are providing flex development work in the professional manner by using smart ways and experience to develop the interactive applications. For making the applications more interactive and to facilitate the developers all over the world Adobe Flash has released recently a new Flex 3 SDK (software development kit). By using this unique kit developers can create flex applications easily to satisfy the clients.

Flex is the unique tool for interactive web applications, liked by the developers all over the world.