Flash Decompiler Trillix - SWF Decompiler Trillix allows you to decompile SWF (Flash), convert SWF to FLA, extract SWF elements and edit SWF file. Supports AS 3.0, Flash CS6 & CC and Flex.
Ruffle - An open source Flash player
JPEXS Free Flash Decompiler - JPEXS Free Flash Decompiler (FFDec) is an opensource Shockwave Flash (SWF) decompiler.
CheerpX for Flash - its adobe flash player in webassembly
SWFTOOLS - SWFTools is a collection of utilities for working with Adobe Flash files (SWF files).
BlueMaxima's Flashpoint - the webgame preservation project.