Slick Grid
A lightning fast JavaScript grid/spreadsheet
Rickshaw
JavaScript toolkit for creating interactive real-time graphs
Tabulator
A table generation JQuery UI Plugin
Fortune
A library for managing structured data in Node.js and web browsers.
Request
Simplified HTTP request client.
JS Xlsx
Javascript XLSX / XLSM / XLSB (Excel 2007+) parser and (one day) writer
Bluelibs
A collection of open-source software solutions designed for the modern web and enterprise scale.
JSON 3
A modern JSON implementation compatible with nearly all JavaScript platforms.
Tau Charts
D3 based data-focused charting library. Designed with passion. Flexible.
Countable
Countable is a JavaScript function to add live paragraph-, word- and character-counting to an HTML element.
Mindb
Database on JavaScript
J Schema
A simple, easy to use data modeling framework for JavaScript
Convnetjs
Deep Learning in Javascript. Train Convolutional Neural Networks (or ordinary ones) in your browser.
Incubator Echarts
A powerful, interactive charting and visualization library for browser
Table to Json
Serializes HTML tables into JSON objects.
Dgrid
A lightweight, mobile-ready, data-driven, modular grid widget designed for use with the Dojo object store
Flotr2
Graphs and Charts for Canvas in JavaScript.