Ruffle - An open source Flash player
JPEXS Free Flash Decompiler - JPEXS Free Flash Decompiler (FFDec) is an opensource Shockwave Flash (SWF) decompiler.
BlueMaxima's Flashpoint - the webgame preservation project.
Sothink SWF Decompiler - Sothink SWF Decompiler, a professional Flash decompiler easily decompiles one or more SWF to FLA.
CheerpX for Flash - its adobe flash player in webassembly
Flare - Anonymously share & discover real-time events in your city