G.raphael
gRaphaël’s goal is to help you create stunning charts on your website. It is based on Raphaël graphics library.
Accounting.js
A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
Uv Charts
Simple yet powerful JavaScript Charting library built using d3.js
Dataset
JavaScript library that makes managing the data behind client-side visualisations easy
Aja.js
Ajax without XML : Asynchronous JavaScript and JavaScript/JSON(P)
Superstruct
A simple and composable way to validate data in Javascript.
SockJS Client
WebSocket emulation - Javascript client
Socket.io
Realtime application framework for Node.JS, with HTML5 WebSockets and cross-browser fallbacks support.
FileSaver.js
An HTML5 saveAs() FileSaver implementation
Backgrid
Finally, an easily stylable semantic HTML data grid widget with a Javascript API that doesn't suck.
Smoothie
Smoothie Charts: smooooooth JavaScript charts for realtime streaming data
Reactable
Fast, flexible, and simple data tables in React
Dimple
An object-oriented API for business analytics
Power Array
Boosted Performance Array
Polychart2
Version 2 of Polychart.js
Holmes
Fast and easy searching inside a page