Agile
Agile Css3 Engine
Slidebars
Slidebars is a jQuery framework for quickly and easily implementing app style off-canvas space into your website.
jQuery Mobile
jQuery Mobile Framework
Pointer.js
Pointer.js consolidates pointer-like input models across browsers and devices.
iScroll
Smooth scrolling for the web
Jo
Jo is a thin (~12K) candy shell for PhoneGap apps. It's an HTML5 mobile app framework which provides UI widgets, a flexible event model, a wrapper for sound, and a light data layer. Apps are skinnable with CSS3, and work everywhere PhoneGap does... and then some, including Adobe Air and OSX (desktop and dashboard).
Mobiscroll
The customizable HTML5 spinner/scroller control for touch devices like smartphones and tablets
Tabris Js
tabris.js - native apps in JavaScript
Restive.js
The Easiest Way to Make your Website Responsive or Adaptive!
Hammer.js
A javascript library for multi-touch gestures // You can touch this
Slideout
A touch slideout navigation menu for your mobile web apps.
Device.js
Device.js makes it easy to write conditional CSS and/or JavaScript based on device operating system (iOS, Android, Blackberry, Windows, Firefox OS), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile).
Touch Swipe jQuery Plugin
TouchSwipe is a jquery plugin to be used with jQuery on touch input devices such as iPad, iPhone etc.
Ratchet
Prototype iPhone apps with simple HTML, CSS, and JS components.
Vux
Mobile UI Components based on Vue & WeUI
Fastclick
Polyfill to remove click delays on browsers with touch UIs
Swipe
a lightweight mobile slider