Trip.js is a plugin that can help you customize a tutorial trip easily with more flexibilities. ( Based on jQuery )
jquery.hotkeys plugin lets you easily add and remove handlers for keyboard events anywhere in your code supporting almost any key combination. It takes one line of code to bind/unbind a hot key combination
Angular social share module, share urls and content on social networks such as facebook, google+, twitter, pinterest and so on - http://720kb.github.io/angular-socialshare
Simple, flexible tours for your app
A simple utility library for making the web more humane. #hubspot-open-source
Tool for finding out which CSS selectors you're NOT using.
jQuery based input methods library
Adapt.js serves CSS based on screen width.
GitHub markdown preprocessor.
Instagram jQuery plugin