Gridster.js is a jQuery plugin that makes building intuitive draggable layouts from elements spanning multiple columns. You can even dynamically add and remove elements from the grid.  

Menutron is a jQuery plugin for responsive navigation menus. It transforms your navigation menus from a list to a select menu when resizing your browser. On mobile devices, the select menu pulls up a native control, making it easier to pick an item.   Menutron - Features: concise – When implemented in a responsive design, your menu becomes consolidated in to a single control, saving you horizontal and/or vertical real-estate. convenient – On mobile devices, the select controls will activate

iView is easy to use jQuery image slider with animated captions, responsive layout and HTML Elements like (Video, iFrame) slider. Easily add unlimited number of slides and captions. Use it as image slider, image gallery, banner rotator, banner ads, or even presentation.   iView - Features: jQuery Capabilities. Responsive down to mobile (applies for slider area and images). Touch gestures navigation for iOS, Android and other touch devices. Highly Flexible and Customizable. Highly User Int

ScrollIt.js is a jQuery plugin that makes it easy to create paginated, feature vertically scrolling pages.    ScrollIt.js - Features: Easy to implement: One JS call, just put data- attributes on the DOM Lightweight Active Class: Your navigation is updated automatically Configurable: Set the animation easing, duration, callbacks and more Keyboard Navigation: Press the up and down keys to move  

Avgrund is a jQuery plugin for modal boxes and popups. It uses interesting concept showing depth between popup and page. It works in all modern browsers and gracefully degrade in those that do not support CSS transitions and transformations.  

jqDock is a jQuery plugin that transforms images into a Mac-like Dock menu, with icons that expand on rollover!  The plugin works with images, or images within anchors, and has a number of configuration options which provide : Horizontal or vertical alignment Image expansion out from an edge or a mid-point Positioned labels Different small and large images Menu fade-in Size and sensitivity adjustment Initial expansion and instant ‘freezing’ Inactivity timeouts and ‘wake up’ calls  

SlidesJS is a responsive slideshow plug-in for jQuery with features like touch, CSS3 transitions, looping, auto play, fade or slide transition effects, crossfading, image preloading, and auto generated pagination. With Slides you’ll never see multiple slides fly by. Slides elegantly just slides from one slide to the next.   SlidesJS - Features: Responsive: Create dynamic slideshows that adapt to any screen. CSS3 transitions: Animations that run smoothly on modern devices. Touch: Swipe suppo

simpleSlider is a jQuery "Anything" slider, it's simple and easy to setup and very customizable.   simpleSlider - Features: Setup in less than 1 minute! "Anything" slider (Images, Text, Videos, HTML) Works without any CSS 2 sliding features (Up/Down) or (Left/Right) Control Sliding speed easy to Customize with CSS    

ChillBox is a simple, unobtrusive script used to overlay images on top of the current page.  Unlike other lightbox versions, ChillBox does not require the use of images for buttons and is fully rendered using jQuery. It is fully customisable and you can change the range of options to create a unique version that works with a website theme.  

Swiper - is the free and ultra lightweight mobile touch slider with hardware accelerated transitions (where supported) and amazing native behavior. It is intended to use in mobile websites, mobile web apps, and mobile native apps. Designed mostly for iOS, but also works on Android and latest Desktop browsers. It is created by iDangero.us   Swiper - Features: 1:1 Touch movement. But this ratio can be configured Touch emulation. This function will be useful if you are going to use Swiper