LScache
A localStorage-based memcache-inspired client-side caching library.
Request
Simplified HTTP request client.
Forerunner Db
A JavaScript database with mongo-like query language, data-binding support, runs in the browser as a client-side DB or on the server via Node.js!
Countable
Countable is a JavaScript function to add live paragraph-, word- and character-counting to an HTML element.
Jtable
A JQuery plugin to create AJAX based CRUD tables.
JSON 3
A modern JSON implementation compatible with nearly all JavaScript platforms.
Convnetjs
Deep Learning in Javascript. Train Convolutional Neural Networks (or ordinary ones) in your browser.
Dataset
JavaScript library that makes managing the data behind client-side visualisations easy
Synaptic
architecture-free neural network library for node.js and the browser
Isjs
Check your data against regular expressions or known keywords.
JS Plumb
jQuery/MooTools/YUI3 Javascript library that lets you connect parts of your UI together.
Chartkick
Create beautiful Javascript charts with one line of Ruby
Holmes
Fast and easy searching inside a page
Backbone Relational
Get and set relations (one-to-one, one-to-many, many-to-one) for Backbone models
Dc.js
Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js
Stupid Table Plugin
A stupidly small and simple jQuery table sorter plugin