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.

Articles

• Error Handling in Node.js
• Teach Yourself Node.js in 10 Steps
• Mastering the filesystem in Node.js
• Semver: A Primer
• Semver: Tilde and Caret
• Why Asynchronous?
• Understanding the Node.js Event Loop
• Understanding Object Streams
• Art of README - Learn the art of writing quality READMEs.

Newsletters

• Node Weekly - Weekly e-mail round-up of Node.js news and articles.
• Node Module Of The Week! - Weekly dose of hand picked node modules.

Videos

• 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.

Books

• Node.js in Action
• Node.js in Practice
• Mastering Node
• Node.js 8 the Right Way
• Professional Node.js: Building Javascript Based Scalable Software
• Practical Node.js: Building Real-World Scalable Web Apps
• Mixu’s Node book
• Web Development with Node and Express
• Pro Express.js
• Secure Your Node.js Web Application
• Express in Action
• Practical Modern JavaScript
• Mastering Modular JavaScript

Tools

• 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.
• RequireBin - Shareable JavaScript programs powered by npm and browserify.
• github-npm-stats - Chrome extension that displays npm download stats on GitHub.

Community

• Gitter
• #node.js on Freenode
• Stack Overflow
• Reddit
• Twitter
• Hashnode