Ruffle - An open source Flash player
SuperNova Player - SuperNova Player allows systems to play .SWF files in a standalone player launched from any browser.
OpenSilver - Open-source re-implementation of Silverlight on modern browsers using WebAssembly.
Lightspark - The Lightspark 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.
CheerpX for Flash - its adobe flash player in webassembly