The Design List

In this post, we present 40 useful but obscure jQuery plug-ins that will hopefully help you improve the user experience on your websites. We look forward to your ideas and suggestions in the comments to this post……

Has sections for:

• Tips, Hints and Navigation
• Forms
• Slideshows and Galleries
• Improving Content
• Layouts
• Charts and Graphs
• Images and Visual Effects
• Last Click Events

Source:

http://www.smashingmagazine.com/2010/04/27/45-useful-jquery-techniques-and-plugins/