Workbox : JavaScript Libraries for adding offline support to web apps.
store.js : localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood.
script.aculo.us : script.aculo.us provides you with
easy-to-use, cross-browser user
interface JavaScript libraries to make
your web sites and web applications fly.
React : A JavaScript library for building user interfaces
jsfx : This is a javascript library (with frontend) for sound effect generation.
A lightweight library that provides tools for organizing asynchronous code
