Agile
Agile Css3 Engine
Tabris Js
tabris.js - native apps in JavaScript
iScroll
Smooth scrolling for the web
Pointer.js
Pointer.js consolidates pointer-like input models across browsers and devices.
jQuery Mobile
jQuery Mobile Framework
Slidebars
Slidebars is a jQuery framework for quickly and easily implementing app style off-canvas space into your website.
Snap.js
A Library for creating beautiful mobile shelves in Javascript
Fastclick
Polyfill to remove click delays on browsers with touch UIs
jQuery UI Touch Punch
A duck punch for adding touch events to jQuery UI
Hammer.js
A javascript library for multi-touch gestures // You can touch this
Mobiscroll
The customizable HTML5 spinner/scroller control for touch devices like smartphones and tablets
Ratchet
Prototype iPhone apps with simple HTML, CSS, and JS components.
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).
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).
Touch Swipe jQuery Plugin
TouchSwipe is a jquery plugin to be used with jQuery on touch input devices such as iPad, iPhone etc.
Slideout
A touch slideout navigation menu for your mobile web apps.
Bootstrap Touchspin
A mobile and touch friendly input spinner component for Bootstrap 3.