I have! Karl and I made this: http://www.hyperfiddle.net/ http://www.hyperfiddle.net/ Not possible to build on ember. React.js in May 2013 was final missing pie

I have! Karl and I made this: http://www.hyperfiddle.net/ http://www.hyperfiddle.net/ Not possible to build on ember. React.js in May 2013 was final missing piece that made Hyperfiddle possible and our first commit was in Dec 2013.