I think even Heroku is not the first company offering this to public. There was an app called Teatro.io which did the same in 2014. It's down now, but I've foun

I think even Heroku is not the first company offering this to public. There was an app called Teatro.io which did the same in 2014. It's down now, but I've found https://web.archive.org/web/20140614011544/http://teatro.io/ https://web.archive.org/web/20140614011544/http://teatro.io/.