Synaptic
architecture-free neural network library for node.js and the browser
Onionskin
A client- and server-side multi-layer cache manager library
Canvas Xpress
JavaScript VisualizationTools
Slick Grid
A lightning fast JavaScript grid/spreadsheet
Jszip
Create, read and edit .zip files with Javascript
Tiny Slider
Vanilla javascript slider for all purposes.
Lowdb
An extendable JSON database for Node and the browser powered by lodash
Flot
Flot is a pure JavaScript plotting library for jQuery, with a focus on simple usage, attractive looks and interactive features.
Convnetjs
Deep Learning in Javascript. Train Convolutional Neural Networks (or ordinary ones) in your browser.
Faye
Simple pub/sub messaging for the web
Dygraphs
Interactive visualizations of time series using JavaScript and the HTML canvas tag. The dygraphs JavaScript library produces interactive, zoomable charts of time series.
Dataset
JavaScript library that makes managing the data behind client-side visualisations easy
Clusterize.js
Tiny vanilla JS plugin to display large data sets easily
Aja.js
Ajax without XML : Asynchronous JavaScript and JavaScript/JSON(P)
Smoothie
Smoothie Charts: smooooooth JavaScript charts for realtime streaming data
SockJS Client
WebSocket emulation - Javascript client