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.
Clusterize.js
Tiny vanilla JS plugin to display large data sets easily
Keras Js
Run Keras models in the browser, with GPU support using WebGL
Tabletop
Tabletop.js gives spreadsheets legs
Recline
A simple but powerful library for building data applications in pure Javascript and HTML.
Devextreme Reactive
DevExtreme Reactive Components
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.
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
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