Adobe Flash Player
Steve Jobs also claimed that a large percentage of the video on the Internet is supported on iOS, since many popular video sharing websites such as YouTube have published video content in an HTML5 compatible format, enabling videos to playback in mobile web browsers even without Flash Player.
Datacopia
Datacopia is built in HTML5 and runs on any platform with a browser that supports the Html5 canvas element. It makes use of D3.js and the NVD3 library to provide its interactive graphics. It uses the Heroku PaaS stack.