Resources

Tutorials

Node.js Best Practices - Summary and curation of the top-ranked content on Node.js best practices, available in multiple languages.
Nodeschool - Learn Node.js with interactive lessons.
The Art of Node - An introduction to Node.js.
stream-handbook - How to write Node.js programs with streams.
module-best-practices - Some good practices when writing new npm modules.
The Node Way - An entire philosophy of Node.js best practices and guiding principles exists for writing maintainable modules, scalable applications, and code that is actually pleasant to read.
You Don't Know Node.js - Introduction to Node.js core features and asynchronous JavaScript.
Portable Node.js guide - Practical guide on how to write portable/cross-platform Node.js code.
Build a real web app with no frameworks - A set of video tutorials/livestreams to help you build and deploy a real, live web app using a handful of simple libraries and the core Node.js modules.

npms - Superb package search with deep analysis of package quality using a myriad of metrics.
npm addict - Your daily injection of npm packages.
npmcompare.com - Compare and discover npm packages.

Introduction to Node.js with Ryan Dahl
Hands on with Node.js
Nodetuts - Series of talks, including TCP & HTTP API servers, async programming, and more.
V8 Garbage Collector - Trash talk about the V8 garbage collector.
10 Things I Regret About Node.js by Ryan Dahl - Insightful talk by the creator of Node.js about some of its limitions.
Mastering REST APIs in Node.js: Zero-To-Hero - Video course on how to make REST APIs using Node.js.
Make a vanilla Node.js REST API - Building a REST API without using a framework like Express.
Google I/O 2009 - V8: High Performance JavaScript Engine - The basics of V8 architecture and how it optimizes JavaScript execution.
Google I/O 2012 - Breaking the JavaScript Speed Limit with V8 - How V8 optimizes JavaScript execution.
Google I/O 2013 - Accelerating Oz with V8: Follow the Yellow Brick Road to JavaScript Performance - How to detect app bottlenecks and optimize performance with V8 knowledge.
Node.js Internal Architecture | Ignition, Turbofan, Libuv - How Node.js works internally, with a focus on V8 and libuv.
Introduction to libuv: What's a Unicorn Velociraptor? - libuv architecture, thread pool, and event loop, with its source code.
libuv Cross platform asynchronous i/o - libuv architecture in detail, such as where it's actually using threads.
You Don't Know Node - ForwardJS San Francisco - Explaining Node.js internals with quizzes about V8, libuv, event loop, module, stream, and cluster.

Node.js blog
webapplog.com - Blog posts on Node.js and JavaScript from the author of Practical Node.js and Pro Express.js Azat Mardan.

Express.js
Stream FAQs - Answering common questions about streams, covering pagination, events, and more.
Strong Node.js - Checklist for source code security analysis of a Node.js web service.

OctoLinker - Chrome extension that linkifies dependencies in package.json, .js, .jsx, .coffee and .md files on GitHub.
npm-hub - Chrome extension to display npm dependencies at the bottom of a repo's readme.
RunKit - Embed a Node.js environment on any website.
github-npm-stats - Chrome extension that displays npm download stats on GitHub.
npm semver calculator - Visually explore what versions of a package a semver range matches.
CodeSandbox - Online IDE and prototyping.

nodebots - Robots powered by JavaScript.
node-module-boilerplate - Boilerplate to kickstart creating a node module.
modern-node - Toolkit for creating node modules with Jest, Prettier, ESLint, and Standard.
generator-nm - Scaffold out a node module.
Microsoft Node.js Guidelines - Tips, tricks, and resources for working with Node.js on Microsoft platforms.
Module Requests & Ideas - Request a JavaScript module you wish existed or get ideas for modules.
v8-perf - Notes and resources related to V8 and thus Node.js performance.