Backbone
Give your JS App some Backbone with Models, Views, Collections, and Events
Mathjs
An extensive math library for JavaScript and Node.js
Mjml
MJML: the only framework that makes responsive-email easy
Jquery UI
The official jQuery user interface library.
React Intl
Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.
Cleave.js
Cleave.js has a simple purpose: to help you format input text content automatically.
Blitz
⚡️The Fullstack React Framework — built on Next.js
Plotly.js
The open source javascript graphing library that powers plotly
Sweetalert
A beautiful replacement for JavaScript's "alert"
Jade
Jade - robust, elegant, feature rich template engine for nodejs
Bootstrap Vue
BootstrapVue provides one of the most comprehensive implementations of Bootstrap 4 components and grid system for Vue.js and with extensive and automated WAI-ARIA accessibility markup.
Prism
Lightweight, robust, elegant syntax highlighting. A spin-off project from Dabblet.
Cheerio
Fast, flexible, and lean implementation of core jQuery designed specifically for the server.
Mustache.js
Minimal templating with {{mustaches}} in JavaScript
Ol3
OpenLayers 3
Superagent
Ajax with less suck - (and node.js HTTP client to match)