Create engaging, cross-platform rich Internet applications
Flex is a highly productive, free open source framework for building and maintaining expressive web applications that deploy consistently on all major browsers, desktops, and operating systems. While Flex applications can be built using only the free Flex SDK, developers can use Adobe® Flex® Builder™ 3 software to dramatically accelerate development. Try Flex Builder 3 free for 60 days. Try ILOG Elixir to enhance data display in your Flex applications.
Adobe Flex Builder 3
Learn about Flex
Get involved
News
Adobe and Zend Announce Collaboration
Adobe and Zend have announced a new collaboration for creating Flex applications powered by Zend Framework.
Flex in a Week
Learn Adobe Flex in a week for free through a series of videos and exercises. Don't be caught without the skills you need to succeed.
Flex 3 now shipping
Adobe Flex 3 adds powerful new features for creating rich Internet applications (RIAs) for the browser and the desktop.
Extend RIAs to the desktop
Create RIAs for the desktop using Flex 3 and the Adobe AIR™ runtime.
Flex is now open source
Flex is now open source with the release of Flex 3.