Ruffle - An open source Flash player
Lightspark - The Lightspark project
CheerpX for Flash - its adobe flash player in webassembly
Newgrounds Player - Can play Flash files offline.
BlueMaxima's Flashpoint - the webgame preservation project.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.