NProgress: slim progress bars in JavaScript
Nice progress bar implementation
27 jQuery & CSS3 Loading Animation and Progress Bar Plugins/Tutorials
Create AJAX Loading Animation with CSS3
Creating “Next Level” Search Form Using jQuery & CSS3
13 12/2011 Your jQuery: Now With 67% Less Suck
5 Awesome Responsive jQuery Sliders and Image Galleries
10+ Google Map Javascript Resources to Kick Start Your Mapping Skill | Queness
Take a look at these if you're new at GMaps. ”10+ Google Map Javascript Resources to Kick Start Your Mapping Skill”
45 jQuery Plugins And Tutorials To Enhance Your Forms
jQuery for Designers - Tutorials and screencasts
Great site for webdesigners using jQuery
15 Amazing jQuery Image Gallery/Slideshow Plugins and Tutorials
Links to existing packages