Flex is a free, open source framework for construction highly interactive, expressive web applications that arrange consistently on all major browsers, desktops, and operating systems.

Flex includes a rich part library with over 100 proven, extensible User Interface parts for generating rich Web applications, as well as an interactive Flex application debugger.

The Flex also provides a contemporary, standards-based language & programming model that supports common design patterns.

RIAs created with Flex can run in the browser using Adobe Flash Player program or on the desktop on Adobe AIR, the cross-operating method runtime.

Flex applications can now access local information and method resources on the desktop.

The environment of Flex does not use a Timeline. Flex has been developed more for programmers and less for designers. Flex is a convoluted term for definite. As the history of the product has evolved it’s been a j2ee server, an as framework, a compiler and IDE among other things.

The term flex usually refers to a way of developing flash platform application using the parts in the open source framework developed by adobe.

Flash

Flash is a vector animation software which facilitates multimedia operation. Thanks to Flash, animation in websites is so much common in present. Browsing the internet was never so lively.

The software which was initiated as Adobe Flash in 1996 has come a long way. While ‘Flash’ has been retained, the prefix has undergone changes from time to time. however, Flash has emerged as the most popular software for web based animation plow date.

The compatibility factor of Flash and HTML is doubtful. This is as the former is vector based. Programming related to operations like selecting text, scrolling, right-clicking etc are fashioned in a completely different system and is no way similar to HTML webpages.