The HTML5 hybrid applications combine the best of the web and native technologies. A popular platform to build hybrid applications is Apache Cordova.
The project Crosswalk aims to address this problem. Crosswalk is a runtime HTML you include in your app, so your app work on this and behave the same way on any device. Crosswalk is open source, so it is not only free but you can also modify it.
On the other hand, Intel XDK is a free IDE for web application development and HTML5 hybrid workflow covering the development, debugging, testing and building.