Agile
Agile Css3 Engine
iScroll
Smooth scrolling for the web
Pointer.js
Pointer.js consolidates pointer-like input models across browsers and devices.
Pep
Pep, a lightweight jQuery plugin for kinetic drag on mobile/desktop
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).
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
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
jQuery Mobile
jQuery Mobile Framework
Bootstrap Touchspin
A mobile and touch friendly input spinner component for Bootstrap 3.
Ratchet
Prototype iPhone apps with simple HTML, CSS, and JS components.
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.
Mobiscroll
The customizable HTML5 spinner/scroller control for touch devices like smartphones and tablets
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).
Fastclick
Polyfill to remove click delays on browsers with touch UIs