The Columnizer is a fantastic responsive jQuery content plugin for a newspaper column layout, that automatically lays out website content into newspaper column format. It splits the website’s div content into as many columns possible, which will fit the user’s browser to look like a newspaper.
jQuery treeview plugins have expandable and collapsible treeview features. These are lightweight and flexible jQuery Plugins, which transform an unordered list into an expandable and collapsible tree.
pagePiling.js is a jQuery plugin by Alvaro Trigo. It creates beautiful fullscreen scrolling websites. pagePiling is fully functional on all modern browsers, as well as some old ones such as Internet Explorer 8, 9, Opera 12, etc.
twolistboxes is a jQuery plugin with two list box method for extended selection of options.
Image Cropper is an awesome jQuery image cropping plugin. It is a cross browser that support touch events.
autoComplete is an extremely lightweight completion suggester plugin for jQuery that is used in production on Pixabay.com.
jQuery-flexImages is a lightweight jQuery plugin for creating fluid galleries as seen on Flickr and Google Images.