Progressive Web Apps (PWA)

• GrumpIcon
• GruntIcon
• SVG Editor
• GruntIcon
• GrumpIcon

Coding Playgrounds

• JS Bin
• Thimble by mozilla
• PlayCode
• SassMeister
• CodePen

ES >2015

• ES2015 practical examples on CodePen
• API fetch

Design & CSS

• Flexbox Zombies

Performance

• Understanding the Critical Rendering Path

Progressive Web Apps (PWA)

• Treebo, a React and Prect PWA performance case study

• Useful Docs and Guides for Frontend devs
• Frontend directory

Architecture & Design Patterns

• (Video) Scalable Application Architecture, by Minko Gechev
• (Post) Scalable Application Architecture

Coding Playgrounds

• 30 days js challenge, by @Wesbos

Coding Playgrounds

• bitsofcode - end development. By [Ire Aderinokun](https://github.com/ireade).
• Pony Foo - end architecture, performance. By [Nicolás Bevacqua](https://github.com/bevacqua).
• the new code

Coding Playgrounds

• Alt
• Redux Saga
• Kea
• Mobx
• React Mosaic - featured React Tiling Window Manager.
• Flow
• Lodash
• PouchDB - source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
• Immutable.js

CSS

• Compass - source CSS Authoring Framework.
• Pure.css
• LostGrid

Web Components

• Polymer
• Scala.js - end web applications.
• TypeScript
• Moon
• Mocha - rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun.
• Webpack
• Babel
• npm
• Yarn
• Bower
• Format.js
• Storybook
• Jest

Animations

• Rebound.js
• Velocity.js

Audio

• Tone.js

Graphics

• Three.js
• D3.js
• GraphicsJS
• Deck.gl - powered framework for visual exploratory data analysis of large datasets.