FlashDevelop is a free and open source (MIT license) code editor for Actionscript (2 and 3), Flex (MXML) and HaXe.
Cost / License
- Free
- Open Source
Platforms
- Windows



Eclipse AXDT is described as 'AXDT is a plugin for Eclipse IDE that makes it possible to write MXML and AS3 with code support' and is an app. There are three alternatives to Eclipse AXDT for Windows, Linux, Web-based, Eclipse and Mac. The best Eclipse AXDT alternative is FlashDevelop, which is both free and Open Source. Other great apps like Eclipse AXDT are Free Flash Effect Generator and PowerFlasher FDT.
FlashDevelop is a free and open source (MIT license) code editor for Actionscript (2 and 3), Flex (MXML) and HaXe.




FDT is a powerful Flash/Flex development environment for ActionScript, MXML and haXe. FDT enhances your workflow while increasing your productivity.