Native Script
NativeScript is an open source framework for building truly native mobile apps with JavaScript. Use web skills, like Angular and Vue.js, FlexBox and CSS, and get native UI and performance on iOS and Android.
Sequelize
An easy-to-use multi SQL dialect ORM for Node.js
Blueprint
A React-based UI toolkit for the web
Anime
Javascript Animation Engine
Yarn
Fast, reliable, and secure dependency management.
Draft Js
A React framework for building text editors.
Foundation
The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites and apps that work on any kind of device.
Modernizr
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
Knex
A query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use.
Alpine
A rugged, minimal framework for composing JavaScript behavior in your markup.
Ember
Ember.js is a JavaScript framework that does all of the heavy lifting that you'd normally have to do by hand. There are tasks that are common to every web app; Ember.js does those things for you, so you can focus on building killer features and UI.
Mocha
A simple, flexible, fun javascript test framework for node.js & the browser. (BDD, TDD, QUnit styles via interfaces)
Babylon.js
Babylon.js: a complete JavaScript framework for building 3D games with HTML 5 and WebGL
Gulp
The streaming build system
Impress.js
It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
Aframe
:a: web framework for building virtual reality experiences.
Immutable Js
Immutable persistent data collections for Javascript which increase efficiency and simplicity.