Loopback
LoopBack makes it easy to build modern applications that require complex integrations.
Sigma
An open-source lightweight JavaScript graph drawing library
Nock
HTTP mocking and expectations library
Papa Parse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
Jasmine
DOM-less simple JavaScript testing framework
Lowdb
An extendable JSON database for Node and the browser powered by lodash
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)
Jimp
An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.
Dragula
:ok_hand: Drag and drop so simple it hurts
Hover
A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on. Easily apply to your own elements, modify or just use for inspiration. Available in CSS, Sass, and LESS.
Bootstrap Daterangepicker
Date range picker component for Bootstrap
Svg.js
A lightweight library for manipulating and animating SVG
Zepto
Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API
Raven Js
JavaScript client for Sentry
Crypto Js
JavaScript library of crypto standards.
Pace
Automatically add a progress bar to your site. #hubspot-open-source
Stimulus
A modest JavaScript framework for the HTML you already have