JavaScript & jQuery

Common

• https://github.com/olivernn/supplement.js (A small collection of utility functions to make working with JavaScript that much sweeter and more expressive)

Loaders

• https://github.com/getify/LABjs

SlideShows

• https://github.com/nathansearles/Slides

Images

• https://github.com/odyniec/imgareaselect (select specific image area)

Mobile

• https://github.com/joehewitt/scrollability (Imitates iOS native scrolling in JavaScript)

File Uploaders

• https://github.com/johnlanz/jquery-fileuploader

Fonts & Typography

• https://github.com/davatron5000/FitText.js

Tags Plugins

• http://iplantideas.com/quicktag
• https://github.com/alexgorbatchev/jquery-textext

Star Rating plugins

• https://github.com/wbotelhos/raty
• http://www.fyneworks.com/jquery/star-rating

Editing plugins

• https://github.com/tuupola/jquery_jeditable
• http://digitalbush.com/projects/masked-input-plugin
• https://github.com/akaihola/jquery-autogrow
• https://github.com/davatron5000/Lettering.js
• http://polarblau.github.com/suggest (simple Auto-suggest)

Search Box plugins

• http://documentcloud.github.com/visualsearch

Effect plugins

• http://lab.smashup.it/flip (flip easily your elements in four directions)

Graph plugins

• https://github.com/samizdatco/arbor