While HTML5 has anchored the open web platform, the platform itself has increasingly become bigger than just HTML, Jaffe said. So the W3C is working on security, performance, and streaming.

The mobile technology landscape is incredibly confusing. There are numerous choices, ranging from new HTML5 technologies, native app development methods, and all sorts of content management ...

In addition to HTML5, the team also used a handful of lesser-known free and open-source tools, such as Backbone and Underscore, in developing the apps.

Adobe has launched the beta of a tool targeted at HTML5 design.