Accounting.js
A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
Arbor
A graph visualization library using web workers and jQuery
Zip.js
JavaScript library to zip and unzip files
Jstat
JavaScript Statistical Library
Store.js
localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood
Springy
A force directed graph layout algorithm in JavaScript
String Score
JavaScript string ranking 0 for no match upto 1 for perfect... "String".score("str"); //=> 0.825
Socket.io
Realtime application framework for Node.JS, with HTML5 WebSockets and cross-browser fallbacks support.
SockJS Client
WebSocket emulation - Javascript client
Rickshaw
JavaScript toolkit for creating interactive real-time graphs
JSON 3
A modern JSON implementation compatible with nearly all JavaScript platforms.
Morris.js
Pretty time-series line graphs
G.raphael
gRaphaël’s goal is to help you create stunning charts on your website. It is based on Raphaël graphics library.
Flot
Flot is a pure JavaScript plotting library for jQuery, with a focus on simple usage, attractive looks and interactive features.
Dygraphs
Interactive visualizations of time series using JavaScript and the HTML canvas tag. The dygraphs JavaScript library produces interactive, zoomable charts of time series.
Data Tables
DataTables is a plug-in for the jQuery Javascript library. It is a highly flexible tool, based upon the foundations of progressive enhancement, which will add advanced interaction controls to any HTML table.