FlashDevelop - FlashDevelop is a code editing tool created to help flash developers complete projects faster and easier.
PowerFlasher FDT - FDT is a powerful Flash/Flex development environment for ActionScript, MXML and haXe.
Shock FLV Player - Shock FLV Player is a handy and reliable utility designed to play FLV files.
Eclipse AXDT - AXDT is a plugin for Eclipse IDE that makes it possible to write MXML and AS3 with code support.
Sothink SWF Decompiler - Sothink SWF Decompiler, a professional Flash decompiler easily decompiles one or more SWF to FLA.
Wonderfl - wonderfl is a service where you can build Flash(swf) online.