Immutable Js
Immutable persistent data collections for Javascript which increase efficiency and simplicity.
Underscore
JavaScript's utility _ belt
Async
Async utilities for node and the browser
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.
Recoil
Recoil is an experimental state management library for React apps. It provides several capabilities that are difficult to achieve with React alone, while being compatible with the newest features of React.
Ramda
:ram: Practical functional Javascript
Tesseract.js
Pure Javascript OCR for 62 Languages 📖🎉🖥
React Virtualized
React components for efficiently rendering large lists and tabular data
Materialize
Materialize, a CSS Framework based on Material Design
Quill
A cross browser rich text editor with an API
Fabric.js
Javascript Canvas Library, SVG-to-Canvas (and canvas-to-SVG) Parser
Immer
Create the next immutable state by mutating the current one
Cube.js
📊 Serverless Analytics Framework
Alpine
A rugged, minimal framework for composing JavaScript behavior in your markup.
Blueprint
A React-based UI toolkit for the web
D3
A JavaScript visualization library for HTML and SVG.
Sails
Realtime MVC Framework for Node.js