Mithril.js
A Javascript Framework for Building Brilliant Applications
Coffee Script
Unfancy JavaScript
Showdown
JavaScript port of Markdown
Plotly.js
The open source javascript graphing library that powers plotly
Mqtt.js
The MQTT client for Node.js and the browser
Rx Js
The Reactive Extensions for JavaScript
Cytoscape.js
A JavaScript graph library for analysis and visualisation (compatible with CommonJS/Node.js, AMD/Require.js, jQuery 1.4+, Bower, npm, and plain JavaScript)
Lazysizes
High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Polymer
Leverage the future of the web platform today.
Bootswatch
Themes for Bootstrap
Cropperjs
JavaScript image cropper.
Hyperapp
1 kB JavaScript framework for building web applications.
Chosen
Chosen is a library for making long, unwieldy select boxes more friendly.
Nock
HTTP mocking and expectations library
Bootstrap Table
An extended Bootstrap table with radio, checkbox, sort, pagination, and other added features. (supports twitter bootstrap v2 and v3)
Lowdb
An extendable JSON database for Node and the browser powered by lodash
Hammer.js
A javascript library for multi-touch gestures // You can touch this