Cross-Platform

iScroll is a high performance, small footprint, dependency free, multi-platform javascript scroller. It works on desktop, mobile and smart TV. It has been vigorously optimized for performance and size so to offer the smoothest result on modern and old devices alike. iScroll does not just scroll. It can handle any element that needs to be moved with user interaction. It adds scrolling, zooming, panning, infinite scrolling, parallax scrolling, carousels to your projects and manages to do that in

The App Framework JavaScript library is a blazingly fast cross-platform UI library built for mobile HTML5 apps. The UI styles in this library are designed to easily adapt to your target platform (Google Android*, Apple iOS*, Microsoft Windows* 8, and new RIM Blackberry* devices) so you can give your application a target-specific look and feel.  The App Framework library also includes an optional query selector library that takes advantage of the latest built-in HTML5 and CSS3 features of browse

enchant.js:  is a framework for developing simple games and applications in HTML5 + JavaScript was released in 2011, but has already had over 1,000 games and applications published is open source (MIT license), and therefore free to use has extensive supporting documents: API Documentation・Publications・Tutorial Site can be augmented with various plugins to increase functionality is continually developed and maintained by members of the Akihabara Research Center at UEI is now on reddit!

PhoneGap is an open source solution for building cross-platform mobile apps with standards-based Web technologies like HTML, JavaScript, and CSS. It allows you to write an app once with HTML, CSS and JavaScript, and then deploy it to a wide range of mobile devices without losing the features of a native app.