Flex Builder is available in two versions: Standard and Professional.

Flex Builder Standard This version provides a full-featured IDE which allows you to create Flex and ActionScript applications using the Flex framework and Flash API. Flex Builder Standard also includes MXML, ActionScript, and CSS editors, as well as debugging tools. Under a trial license, Flex Builder Standard can also provide the advanced charting and advanced data tools included in the Professional version described below.

Flex Builder Professional In addition to the Standard version features, this version includes a library of interactive charts and graphs which enable you to create rich data dashboards, interactive data analysis, and data visualization components. It also includes memory and performance profiling and automated testing tools.