Adobe Flash Builder (previously Adobe Flex Builder) is a software designed for developers to rapidly develop cross-platform rich internet applications (RIAs) using open source Flex framework. It includes support for intelligent coding, debugging, and visual design and features powerful testing tools that speed up development and lead to higher performing applications. Adobe is giving free licenses of Adobe Flash Builder 4 to students, teachers and developers.
To get a free license of Adobe Flash Builder 4, just visit this page, fill in your details and submit the form. However one thing to note is that while filling in the form, you have to give the reason for applying for the free license. If you select student or faculty member, you will have to give some sort of proof in order to get the license for free. I selected I’m unemployeed and it didn’t ask any question.
After applying, you’ll have to wait for about two weeks in order to get the license through email.
Download Adobe Flash Builder 4 from here.