Adobe Flex, an astonishing open source framework that helps you in building expressive mobile and web applications. It is an enterprise-class Eclipse-based IDE. Flex can also be defined as the framework which is most commonly used for building RIAs based on Flash Player. It is a new language whose core markup language(MXML) is based on XML. Flex is highly productive and supports a common design pattern which is suitable to the developers.

Pros

• Integrates Well
• Very popular and well established
• Supports advanced integrity
• Extensive Community
• Works with many bandwidths