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.
Flash Player 2021 - Want to fix "This plugin is not supported" and "Adobe Flash Player is blocked" error messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
SWFTOOLS - SWFTools is a collection of utilities for working with Adobe Flash files (SWF files).
Newgrounds Player - Can play Flash files offline.