Ionic
Advanced HTML5 Mobile App Framework. A beautiful front-end framework for developing hybrid mobile apps in HTML5. Best friends with AngularJS.
Tabris Js
tabris.js - native apps in JavaScript
Foo Table
jQuery plugin to make HTML tables responsive
React Native
A framework for building native apps with React.
QuoJs
Micro JavaScript library for mobile devices
Shake.js
A custom 'shake' event plugin for mobile web browsers using device accelerometer.
Fastclick
Polyfill to remove click delays on browsers with touch UIs
Brick
UI Web Components for Mobile Web Apps
Pep
Pep, a lightweight jQuery plugin for kinetic drag on mobile/desktop
Restive.js
The Easiest Way to Make your Website Responsive or Adaptive!
Pressure
:point_down::boom: JavaScript library for handling Force Touch, 3D Touch, and Pointer Pressure.
Naver
A jQuery plugin for responsive navigation.
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).
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).
Media Check
Control JS with mediaqueries
Slidebars
Slidebars is a jQuery framework for quickly and easily implementing app style off-canvas space into your website.
Dragend
dragend JS – a touch ready, full responsive, content swipe script