Apache Flex®


Flex is now being developed at the Apache Software Foundation. Participate in the project and directly contribute to the next version of the framework. Get involved today.

Getting started


New to Flex? Start with these resources that are designed to get you up to speed on evaluating and learning to use Flash Builder 4.6 and Flex 4.6.

Flex in detail


Update your project to the latest version of Flex.
Flex architecture
Refer to the tutorials and videos on this page to gain a better understanding of the Flex and Cairngorm frameworks and architecture.



Create and use components in Flex.
UI design and RIA workflows
Learn about workflows and user interface design.

Tutorials and articles



(Feb 15, 2012)
Understand Adobe's view of Flex, its contributions to the open source project, and its commitments to Flex in the future.
Jacob Surber (Nov 30, 2011)
Learn about the new Spark components and SDK enhancements in Flex 4.6.
Max Vujovic (Nov 30, 2011)
Learn best practices for improving the performance of Flex mobile applications.
Adobe (Nov 29, 2011)
Learn how to build applications that target both traditional web and mobile deployment.

Examples and case studies


The Caltrain Times app is a train schedule viewer for the Caltrain commuter rail system in California.
get started
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