NProgress: slim progress bars in JavaScript
Nice progress bar implementation
jQuery - YUI 3 Rosetta Stone
Very useful when scripting for Squarespace
kswedberg/jquery-smooth-scroll · GitHub
Cross browser smoothscrolling
5 Awesome Responsive jQuery Sliders and Image Galleries
15 useful jQuery Plugins for your next Web Project
When Visitors Print — About That Print Stylesheet
45 jQuery Plugins And Tutorials To Enhance Your Forms
mattkersley/Responsive-Menu - GitHub
Turns any or into a for mobiles and low browser sizes
jQuery for Designers - Tutorials and screencasts
Great site for webdesigners using jQuery
jQuery Masonry
An interesting plugin for jQuery. Masonry arranges elements vertically then horizontally according to a grid.
jQTouch
AjQuery plugin for mobile web development on the iPhone, iPod Touch, and other forward-thinking devices.
15 Amazing jQuery Image Gallery/Slideshow Plugins and Tutorials
Links to existing packages
Jeditable
Edit In Place Plugin For jQuery