Agile
Agile Css3 Engine
Tabris Js
tabris.js - native apps in JavaScript
Lungo.js
A framework for developers who want to design, build and share cross device applications.
Pushy
Pushy is a responsive off-canvas navigation menu using CSS transforms & transitions
Hammer.js
A javascript library for multi-touch gestures // You can touch this
Fastclick
Polyfill to remove click delays on browsers with touch UIs
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).
jQuery Mobile
jQuery Mobile Framework
Pep
Pep, a lightweight jQuery plugin for kinetic drag on mobile/desktop
J Query.mmenu
The best jQuery plugin for app look-alike on- and off-canvas menus with sliding submenus for your website and webapp.
iScroll
Smooth scrolling for the web
QuoJs
Micro JavaScript library for mobile devices
Slideout
A touch slideout navigation menu for your mobile web apps.
Swipe
a lightweight mobile slider
Snap.js
A Library for creating beautiful mobile shelves in Javascript
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.