Crossfilter
Fast n-dimensional filtering and grouping of records.
JSON.js
JSON in JavaScript
Faye
Simple pub/sub messaging for the web
Epoch
A general purpose, real-time visualization library.
Devextreme Reactive
DevExtreme Reactive Components
Keras Js
Run Keras models in the browser, with GPU support using WebGL
Tabletop
Tabletop.js gives spreadsheets legs
Clusterize.js
Tiny vanilla JS plugin to display large data sets easily
Plottable
A library of modular chart components, built on D3
Officegen
Standalone Office Open XML files (Microsoft Office 2007 and later) generator for Word (docx), PowerPoint (pptx) and Excell (xlsx) in javascript. The output is a stream.
Knwl.js
A Natural Language Processor in JS
Oboe.js
A fresh approach to AJAX that speeds up web applications. Progressive JSON parser with an easy interface so you can use the objects before the http response completes.
Viva Graph Js
Graph drawing library for JavaScript
Mavo
Create web applications entirely by writing HTML and CSS!
Timesheet.js
JavaScript library for HTML5 & CSS3 time sheets
JS Plumb
jQuery/MooTools/YUI3 Javascript library that lets you connect parts of your UI together.