A curated list of delightful Node.js packages and resources.

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• webtorrent - Streaming torrent client for Node.js and the browser.
• peerflix - Streaming torrent client.
• dat - Real-time replication and versioning for data sets.
• ipfs - Distributed file system that seeks to connect all computing devices with the same system of files.
• GitTorrent - Peer-to-peer network of Git repositories being shared over BitTorrent.
• stackgl - Open software ecosystem for WebGL, built on top of browserify and npm.
• peerwiki - All of Wikipedia on BitTorrent.
• peercast - Stream a torrent video to Chromecast.
• BitcoinJS - Clean, readable, proven Bitcoin library.
• Bitcore - Pure and powerful Bitcoin library.
• PDFKit - PDF generation library.
• turf - Modular geospatial processing and analysis engine.
• webcat - p2p pipe across the web using WebRTC that uses your GitHub private/public key for authentication.
• NodeOS - The first operating system powered by npm.
• limdu - Machine-learning framework.
• Cytoscape.js - Graph theory (a.k.a. network) modeling and analysis.
• kad - Kademlia distributed hash table.
• seedshot - Temporary P2P screenshot sharing from your browser.
• js-git - JavaScript implementation of Git.
• skale - High performance distributed data processing engine.

• np - Better npm publish.
• trash - Safer alternative to rm.
• npm-name - Check whether a package name is available on npm.
• speed-test - Test your internet connection speed and ping.
• emoj - Find relevant emoji from text on the command-line.
• pageres - Capture website screenshots.
• cpy - Copy files.
• vtop - More better top, with nice charts.
• empty-trash - Empty the trash.
• is-up - Check whether a website is up or down.
• is-online - Check if the internet connection is up.
• public-ip - Get your public IP address.
• clipboard-cli - Copy & paste on the terminal.
• ttystudio - Record your terminal and compile it to a GIF or APNG without any external dependencies, bash scripts, gif concatenation, etc.
• XO - Enforce strict code style using the JavaScript happiness style.
• Standard - JavaScript Standard Style — One style to rule them all.
• ESLint - The pluggable linting utility for JavaScript.
• dev-time - Get the current local time of a GitHub user.
• David - Tells you when your package npm dependencies are out of date.
• http-server - Simple, zero-config command-line HTTP server.
• Live Server - Development HTTP-server with livereload capability.
• bcat - Pipe command output to web browsers.
• normit - Google Translate with speech synthesis in your terminal.
• slap - Sublime-like terminal-based text editor.
• jsinspect - Detect copy-pasted and structurally similar code.
• esformatter - JavaScript code beautifier/formatter.
• fkill - Fabulously kill processes. Cross-platform.
• pjs - Pipeable JavaScript. Quickly filter, map, and reduce from the terminal.
• license-checker - Check licenses of your app's dependencies.
• browser-run - Easily run code in a browser environment.
• tmpin - Adds stdin support to any CLI app that accepts file input.
• modhelp - Syntax-highlighted module READMEs in terminal with ANSI-friendly pager.
• wifi-password - Get the current wifi password.
• wallpaper - Change the desktop wallpaper.
• brightness - Change the screen brightness.
• torrent - Download torrents.
• tfa - Two-factor authentication client.
• rtail - Terminal output to the browser in seconds, using UNIX pipes.
• kill-tabs - Kill all Chrome tabs to improve performance, decrease battery usage, and save memory.
• alex - Catch insensitive, inconsiderate writing.
• vantage - Distributed, realtime CLI for your live app.
• pen - Live Markdown preview in the browser from your favorite editor.
• subdownloader - Subtitle downloader for movies and TV series.
• dark-mode - Toggle the macOS Dark Mode.
• iponmap - IP location finder.
• Jsome - Pretty prints JSON with configurable colors and indentation.
• itunes-remote - Interactively control iTunes.
• text-meme - Generate a text meme.
• mobicon - Mobile app icon generator.
• mobisplash - Mobile app splash screen generator.
• diff2html-cli - Pretty git diff to HTML generator.
• Cash - Cross-platform Unix shell commands in pure JavaScript.
• vaca - Get a random ASCII 🐮.
• gh-home - Open the GitHub page of the repo in the current directory.
• npm-home - Open the npm page of a package.
• trymodule - Try out npm packages in the terminal.
• terminal-recorder - Record your terminal usage and export it to interactive HTML.
• jscpd - Copy/paste detector for source code.
• atmo - Server-side API mocking.
• auto-install - Auto installs dependencies as you code.
• lessmd - Markdown in the terminal.
• cost-of-modules - Find out which dependencies are slowing you down.
• localtunnel - Expose your localhost to the world.
• svg-term-cli - Share terminal sessions via SVG.
• gtop - System monitoring dashboard for the terminal.
• themer - Generate themes for your editor, terminal, wallpaper, Slack, and more.

• lodash - Utility library delivering consistency, customization, performance, & extras. A better and faster Underscore.js.
• immutable - Immutable data collections.
• mori - Library for using ClojureScript's persistent data structures and supporting API from the comfort of vanilla JavaScript.
• Ramda - Utility library with a focus on flexible functional composition enabled by automatic currying and reversed argument order. Avoids mutating data.
• Folktale - Suite of libraries for generic functional programming in JavaScript that allows you to write elegant, modular applications with fewer bugs, and more reuse.
• underscore-contrib - The brass buckles on Underscore's utility belt.
• Mout - Utility library with the biggest difference between other existing solutions is that you can choose to load only the modules/functions that you need, no extra overhead.
• Bacon.js - Functional reactive programming.
• RxJS - Functional reactive library for transforming, composing, and querying various kinds of data.
• Lazy.js - Utility library similar to lodash/Underscore but with lazy evaluation, which can translate to superior performance in many cases.
• Kefir.js - Reactive library with focus on high performance and low memory usage.

• got - Nicer interface to the built-in http module.
• gh-got - Convenience wrapper for got to interact with the GitHub API.
• axios - Promise based HTTP client (works in the browser too).
• request - Simplified HTTP request client.
• Nock - HTTP mocking and expectations library.
• spdy - Creates SPDY servers with the same API as the built-in https module.
• wreck - HTTP Client Utilities.
• download - Download and extract files effortlessly.
• http-proxy - HTTP proxy.
• rocky - Featured, middleware-oriented HTTP proxy with traffic replay and intercept.
• superagent - HTTP request library.
• node-fetch - window.fetch for Node.js.
• flashheart - REST client.
• http-fake-backend - Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes.
• cacheable-request - Wrap native HTTP requests with RFC compliant cache support.
• gotql - GraphQL request library built on got.

• ironNode - Node.js debugger supporting ES2015 out of the box.
• node-inspector - Debugger based on Blink Developer Tools.
• devtool - Run Node.js programs through Chrome Dev Tools.
• Theseus - JavaScript debugger featuring real-time code coverage, retroactive inspection and asynchronous call tree.
• debug - Tiny debugging utility.
• jstrace - Dynamic tracing for JavaScript, similar to dtrace, ktap etc.
• why-is-node-running - Node.js is running but you don't know why?
• njsTrace - Instrument and trace your code, see all function calls, arguments, return values, as well as the time spent in each function.
• vstream - Instrumentable streams mix-ins to inspect a pipeline of streams.
• stackman - Enhance an error stacktrace with code excerpts and other goodies.
• locus - Starts a REPL at runtime that has access to all variables.
• bugger - Provides Chrome Devtools bindings to debug programs in Chrome.
• 0x - Flamegraph profiling.
• ctrace - Well-formatted and improved trace system calls and signals.
• leakage - Write memory leak tests.

• pino - Extremely fast logger inspired by Bunyan.
• winston - Multi-transport async logging library.
• Bunyan - JSON logging library.
• intel - Logging library (handlers, filters, formatters, console injection).
• console-log-level - The most simple logger imaginable with support for log levels and custom prefixes.
• storyboard - End-to-end, hierarchical, real-time, colorful logs and stories.

• chalk - Terminal string styling done right.
• meow - CLI app helper.
• minimist - Parse command-line flags.
• get-stdin - Easier stdin.
• ora - Elegant terminal spinner.
• log-update - Log by overwriting the previous output in the terminal. Useful for rendering progress bars, animations, etc.
• Inquirer.js - Interactive command-line prompt.
• listr - Terminal task list.
• conf - Simple config handling for your app or module.
• update-notifier - Update notifications for your CLI app.
• ansi-escapes - ANSI escape codes for manipulating the terminal.
• log-symbols - Colored symbols for various log levels.
• figures - Unicode symbols with Windows CMD fallbacks.
• boxen - Create boxes in the terminal.
• string-width - Get the visual width of a string - the number of columns required to display it.
• cli-truncate - Truncate a string to a specific width in the terminal.
• first-run - Check if it's the first time the process is run.
• vorpal - Interactive CLI apps.
• blessed - Curses-like library.
• yn - Parse yes/no like values.
• cli-table - Pretty unicode tables.
• drawille - Draw on the terminal with unicode braille characters.
• sudo-block - Block users from running your app with root permissions.
• googleauth - Create and load persistent Google authentication tokens for command-line apps.
• ascii-charts - ASCII bar chart in the terminal.
• progress - Flexible ascii progress bar.
• insight - Helps you understand how your tool is being used by anonymously reporting usage metrics to Google Analytics.
• cli-cursor - Toggle the CLI cursor.
• columnify - Create text-based columns suitable for console output. Supports cell wrapping.
• cli-columns - Columnated unicode and ansi-safe text lists.
• cfonts - Sexy ASCII fonts for the console.
• multispinner - Multiple, simultaneous, individually controllable CLI spinners.
• omelette - Shell autocompletion helper.
• cross-env - Set environment variables cross-platform.
• shelljs - Portable Unix shell commands.
• loud-rejection - Make unhandled promise rejections fail loudly instead of the default silent fail.
• sparkly - Generate sparklines ▁▂▃▅▂▇
• term-img - Display images in your terminal.
• yargs - Command-line parser that automatically generates an elegant user-interface.
• DraftLog - Create multiple updatable log lines. Works just like console.log.
• Bit - Create, maintain, find and use small modules and components across repositories.
• gradient-string - Beautiful color gradients in terminal output.

• webpack - Packs modules and assets for the browser.
• rollup - Next-generation ES2015 module bundler.
• gulp - Streaming and fast build system that favors code over config.
• browserify - Browser-side require() the Node.js way.
• Broccoli - Fast, reliable asset pipeline, supporting constant-time rebuilds and compact build definitions.
• Brunch - Front-end web app build tool with simple declarative config, fast incremental compilation, and an opinionated workflow.
• strong-build - Build a node app package and prepare to deploy it as a package to production or use git to commit to a deploy branch.
• start - Simple tasks runner powered by composable functions and promise chaining.
• ygor - Promising task runner for when npm run isn't enough and everything else is too much.
• grunt - Task runner that can perform repetitive tasks like minification, compilation, unit testing, linting, etc.
• Fly - Modern build system based in co-routines, generators and promises.
• FuseBox - Fast build system that combines the power of webpack, JSPM and SystemJS, with first-class TypeScript support.
• pkg - Package your Node.js project into an executable.
• parcel - Blazing fast, zero config web app bundler.

• johnny-five - Firmata based Arduino Framework.
• serialport - Access serial ports for reading and writing.
• usb - USB library.
• cylon.js - Next generation robotics framework with support for 26 different platforms.
• i2c-bus - I2C serial bus access.
• onoff - GPIO access and interrupt detection.
• spi-device - SPI serial bus access.
• pigpio - Fast GPIO, PWM, servo control, state change notification, and interrupt handling on the Raspberry Pi.

• marko - HTML-based templating engine that compiles templates to CommonJS modules and supports streaming, async rendering and custom tags.
• nunjucks - Templating engine with inheritance, asynchronous control, and more (jinja2 inspired).
• handlebars.js - Superset of Mustache templates which adds powerful features like helpers and more advanced blocks.
• hogan.js - Twitter's small, fast, phase-separated compiler for Mustache templates.
• EJS - Simple unopinionated templating language.
• Pug - High-performance template engine heavily influenced by Haml.

• Hapi - Framework for building applications and services.
• Koa - Framework designed by the team behind Express, which aims to be a smaller, more expressive, and more robust foundation for web applications and APIs.
• Express - Web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications.
• Feathers - Microservice framework built in the spirit of Express.
• LoopBack - Powerful framework for creating REST APIs and easily connecting to backend data sources.
• Meteor - An ultra-simple, database-everywhere, data-on-the-wire, pure-Javascript web framework. (You might like awesome-meteor)
• SailsJS - An MVC web framework with a modern twist, supporting WebSockets, streams, and a data-driven API.
• Restify - Enables you to build correct REST web services.
• Interfake - Rapid prototyping framework for making mock HTTP APIs, with a Node.js, command-line and HTTP interface.
• Catberry - Framework with Flux architecture, isomorphic web-components, and progressive rendering.
• ThinkJS - Framework with ES2015+ support, WebSockets, REST API.
• ActionHero - Framework for making reusable & scalable APIs for TCP sockets, WebSockets, and HTTP clients.
• MERN - Easily build production-ready universal apps with MongoDB, Express, React, and webpack.
• Next.js - Minimalistic framework for server-rendered universal JavaScript web apps.
• Nuxt.js - Minimalistic framework for server-rendered Vue.js apps.
• seneca - Toolkit for writing microservices.
• AdonisJs - A true MVC framework for Node.js built on solid foundations of Dependency Injection and IoC container.
• Hemera - Write reliable and fault-tolerant microservices with NATS.
• Micro - Minimalistic microservice framework with an async approach.

• Docco - Documentation generator which produces an HTML document that displays your comments intermingled with your code.
• JSDoc - API documentation generator similar to JavaDoc or PHPDoc.
• dox - JavaScript documentation generator using Markdown and JSDoc.
• jsdox - JSDoc3 to Markdown documentation generator.
• apiDoc - Inline documentation for RESTful web APIs.
• documentation.js - API documentation generator with support for ES2015+ and flow annotation.
• YUIDoc - Generates API documentation from comments in source.
• ESDoc - Documentation generator targeting ES2015, attaching test code and measuring documentation coverage.

• del - Delete files/folders using globs.
• globby - Glob files with support for multiple patterns.
• cpy - Copy files.
• rimraf - Recursively delete files like rm -rf.
• make-dir - Recursively create directories like mkdir -p.
• graceful-fs - Drop-in replacement for the fs module with various improvements.
• chokidar - Filesystem watcher which stabilizes events from fs.watch and fs.watchFile as well as using native fsevents on macOS.
• find-up - Find a file by walking up parent directories.
• proper-lockfile - Inter-process and inter-machine lockfile utility.
• load-json-file - Read and parse a JSON file.
• write-json-file - Stringify and write JSON to a file atomically.
• fs-write-stream-atomic - Like fs.createWriteStream(), but atomic.
• filenamify - Convert a string to a valid filename.
• lnfs - Force create symlinks like ln -fs.
• istextorbinary - Check if a file is text or binary.
• fs-jetpack - Completely redesigned file system API for convenience in everyday use.
• fs-extra - Extra methods for the fs module.
• pkg-dir - Find the root directory of an npm package.
• sander - Promise-based replacement for the fs module.
• filehound - Flexible and fluent interface for searching the file system.

• Promises
  • Bluebird - Promise library with focus on innovative features and performance.
  • pify - Promisify a callback-style function.
  • delay - Delay a promise a specified amount of time.
  • promise-memoize - Memoize promise-returning functions, with expire and prefetch.
  • valvelet - Limit the execution rate of a promise-returning function.
  • p-map - Map over promises concurrently.
  • More…
• Observables
  • zen-observable - Implementation of Observables.
  • RxJS - Reactive programming.
  • observable-to-promise - Convert an Observable to a Promise.
  • More…
• Generators
  • co - The ultimate generator based flow-control goodness.
  • bluebird-co - High performance yield handlers for Bluebird coroutines.
  • iterum - Build generator pipelines using Array-like methods.
• Streams
  • Highland.js - Manages synchronous and asynchronous code easily, using nothing more than standard JavaScript and Node-like Streams.
• Callbacks
  • each-async - Async concurrent iterator like forEach.
  • async - Provides straight-forward, powerful functions for working with asynchronicity.
• Channels
  • js-csp - Communicating sequential processes for JavaScript (like Clojurescript core.async, or Go).
• Other
  • zone - Provides a way to group and track resources and errors across asynchronous operations.

• through2 - Tiny wrapper around streams2 Transform to avoid explicit subclassing noise.
• from2 - Convenience wrapper for ReadableStream, inspired by through2.
• get-stream - Get a stream as a string or buffer.
• into-stream - Convert a buffer/string/array/object into a stream.
• duplexify - Turn a writeable and readable stream into a single streams2 duplex stream.
• pumpify - Combine an array of streams into a single duplex stream.
• peek-stream - Transform stream that lets you peek the first line before deciding how to parse it.
• binary-split - Newline (or any delimiter) splitter stream.
• byline - Super-simple line-by-line Stream reader.
• first-chunk-stream - Transform the first chunk in a stream.
• pad-stream - Pad each line in a stream.
• multistream - Combine multiple streams into a single stream.
• stream-combiner2 - Turn a pipeline into a single stream.
• readable-stream - Mirror of Streams2 and Streams3 implementations in core.
• through2-concurrent - Transform object streams concurrently.
• graphicsmagick-stream - Fast conversion/scaling of images using a pool of long lived GraphicsMagick processes.

• µWebSockets - Highly scalable WebSocket server & client library.
• Socket.io - Enables real-time bidirectional event-based communication.
• SockJS - Low latency, full duplex, cross-domain channel browser-server, with WebSockets or without.
• Faye - Real-time client-server message bus, based on Bayeux protocol.
• SocketCluster - Scalable HTTP + WebSocket engine which can run on multiple CPU cores.
• Primus - An abstraction layer for real-time frameworks to prevent module lock-in.
• Straw - Real-time dataflow framework.
• deepstream.io - Scalable real-time microservice framework.
• Kalm - Low-level socket router and middleware framework.
• MQTT.js - Client for MQTT - Pub-sub based messaging protocol for use on top of TCP/IP.

• sharp - The fastest module for resizing JPEG, PNG, WebP and TIFF images.
• image-type - Detect the image type of a Buffer/Uint8Array.
• gm - GraphicsMagick and ImageMagick wrapper.
• lwip - Lightweight image processor which does not require ImageMagick.
• pica - High quality & fast resize (lanczos3) in pure JS. Alternative to canvas drawImage(), when no pixelation allowed.
• jimp - Image processing in pure JavaScript.
• is-progressive - Check if a JPEG image is progressive.
• probe-image-size - Get the size of most image formats without a full download.

• Underscore.string - Collection of string manipulation utilities.
• iconv-lite - Convert character encodings.
• string-length - Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes.
• camelcase - Convert a dash/dot/underscore/space separated string to camelCase: foo-bar → fooBar.
• escape-string-regexp - Escape RegExp special characters.
• execall - Find multiple RegExp matches in a string.
• splice-string - Remove or replace part of a string like Array#splice.
• indent-string - Indent each line in a string.
• strip-indent - Strip leading whitespace from every line in a string.
• detect-indent - Detect the indentation of code.
• he - HTML entity encoder/decoder.
• i18n-node - Simple translation module with dynamic JSON storage.
• babelfish - i18n with very easy syntax for plurals.
• hanging-indent - Format a string into a hanging-indented paragraph.
• matcher - Simple wildcard matching.
• unhomoglyph - Normalize visually similar unicode characters.

• random-int - Generate a random integer.
• random-float - Generate a random float.
• unique-random - Generate random numbers that are consecutively unique.
• round-to - Round a number to a specific number of decimal places: 1.234 → 1.2.

• ndarray - Multidimensional arrays.
• mathjs - An extensive math library.
• math-sum - Sum numbers.
• math-clamp - Clamp a number.
• algebra - Algebraic structures.

• date-fns - Modern date utility.
• Moment.js - Parse, validate, manipulate, and display dates.
• Moment Timezone - IANA Time Zone Database + Moment.js.
• dateformat - Date formatting.
• tz-format - Format a date with timezone: 2015-11-30T10:40:35+01:00.
• cctz - Fast parsing, formatting, and timezone conversation for dates.

• normalize-url - Normalize a URL.
• humanize-url - Humanize a URL: http://sindresorhus.com → sindresorhus.com.
• url-unshort - Expand shortened URLs.
• speakingurl - Generate a slug from a string with transliteration.
• linkify-it - Link patterns detector with full unicode support.
• url-pattern - Easier than regex string matching patterns for URLs and other strings.
• embedza - Create HTML snippets/embeds from URLs using info from oEmbed, Open Graph, meta tags.

• joi - Object schema description language and validator for JavaScript objects.
• is-my-json-valid - JSON Schema validator that uses code generation to be extremely fast.
• property-validator - Easy property validation for Express.
• schema-inspector - JSON API sanitization and validation.
• ajv - The fastest JSON Schema validator. Supports v5 proposals.

• remark - Markdown processor powered by plugins.
• markdown-it - Markdown parser with 100% CommonMark support, extensions and syntax plugins.
• parse5 - Fast full-featured spec compliant HTML parser.
• strip-json-comments - Strip comments from JSON.
• strip-css-comments - Strip comments from CSS.
• parse-json - Parse JSON with more helpful errors.
• URI.js - URL mutation.
• PostCSS - CSS parser / stringifier.
• JSONStream - Streaming JSON.parse and stringify.
• neat-csv - Fast CSV parser. Callback interface for the above.
• csv-parser - Streaming CSV parser that aims to be faster than everyone else.
• PEG.js - Simple parser generator that produces fast parsers with excellent error reporting.
• x-ray - Web scraping utility.
• nearley - Simple, fast, powerful parsing for JavaScript.
• binary-extract - Extract a value from a buffer of JSON without parsing the whole thing.
• json-mask - Tiny language and engine for selecting parts of an object, hiding/masking the rest.
• Stylecow - Parse, manipulate and convert modern CSS to make it compatible with all browsers. Extensible with plugins.
• js-yaml - Very fast YAML parser.
• excel-stream - Streaming Excel spreadsheet to JSON parser.
• xml2js - XML to JavaScript object converter.
• Jison - Friendly JavaScript parser generator. It shares genes with Bison, Yacc and family.
• google-libphonenumber - Parse, format, store and validate phone numbers.
• ref - Read/write structured binary data in Buffers.
• xlsx-populate - Read/write Excel XLSX.

• pretty-bytes - Convert bytes to a human readable string: 1337 → 1.34 kB.
• pretty-ms - Convert milliseconds to a human readable string: 1337000000 → 15d 11h 23m 20s.
• ms - Tiny millisecond conversion utility.
• pretty-error - Errors with less clutter.
• humanize - Data formatter for human readability.
• read-art - Extract readable content from any page.

• yazl - Zip.
• yauzl - Unzip.
• Archiver - Streaming interface for archive generation, supporting ZIP and TAR.
• pako - High speed zlib port to pure js (deflate, inflate, gzip).
• tar-stream - Streaming tar parser and generator. Also see tar-fs.
• decompress - Decompression module with support for tar, tar.gz and zip files out of the box.

• get-port - Get an available port.
• ipify - Get your public IP address.
• getmac - Get the computer MAC address.
• polo - Zero-config service discovery.
• DHCP - DHCP client and server.

• Drivers
  • PostgreSQL - PostgreSQL client. Pure JavaScript and native libpq bindings.
  • Redis - Redis client.
  • LevelUP - LevelDB.
  • MySQL - MySQL client.
  • nano - CouchDB client.
  • Aerospike - Aerospike client.
  • Couchbase - Couchbase client.
  • MongoDB - MongoDB driver.
• ODM / ORM
  • Sequelize - Multi-dialect ORM. Supports PostgreSQL, SQLite, MySQL.
  • Bookshelf - ORM for PostgreSQL, MySQL and SQLite3 in the style of Backbone.js.
  • Massive - PostgreSQL data access tool.
  • Mongoose - Elegant MongoDB object modeling.
  • Waterline - Datastore-agnostic tool that dramatically simplifies interaction with one or more databases.
  • Iridium - MongoDB ORM with support for promises, distributed caching, preprocessing, validation and plugins.
  • OpenRecord - ORM for PostgreSQL, MySQL, SQLite3 and RESTful datastores. Similar to ActiveRecord.
  • orm2 - ORM for PostgreSQL, MariaDB, MySQL, Amazon Redshift, SQLite, MongoDB.
  • firenze - Adapter-based ORM for MySQL, Memory, Redis, localStorage and more.
  • pg-promise - PostgreSQL framework for native SQL using promises.
  • Objection.js - Lightweight ORM built on the SQL query builder Knex.
• Query builder
  • Knex - Query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use.
• Other
  • NeDB - Embedded persistent database written in JavaScript.
  • Lowdb - Small JavaScript database powered by Lodash.
  • Keyv - Simple key-value storage with support for multiple backends.

• AVA - Futuristic test runner.
• Mocha - Feature-rich test framework making asynchronous testing simple and fun.
• nyc - Code coverage tool built on istanbul that works with subprocesses.
• tap - TAP test framework.
• tape - TAP-producing test harness.
• power-assert - Provides descriptive assertion messages through the standard assert interface.
• Mochify - TDD with Browserify, Mocha, PhantomJS and WebDriver.
• trevor - Run tests against multiple versions of Node.js without switching versions manually or pushing to Travis CI.
• loadtest - Run load tests for your web application, with an API for automation.
• Sinon.JS - Test spies, stubs and mocks.
• navit - PhantomJS / SlimerJS wrapper to simplify browser test scripting.
• nock - HTTP mocking and expectations.
• intern - Code testing stack.
• toxy - Hackable HTTP proxy to simulate failure scenarios and network conditions.
• hook-std - Hook and modify stdout/stderr.
• testen - Run tests for multiple versions of Node.js locally with NVM.
• Nightwatch - Automated UI testing framework based on Selenium WebDriver.
• WebdriverIO - Automated testing based on the WebDriver protocol.
• Jest - Painless JavaScript testing.
• TestCafe - Automated browser testing.
• abstruse - Continuous Integration server.

• snyk - CLI and build-time tool to find & fix vulnerable npm dependencies.
• nsp - CLI tool to identify known vulnerabilities in your project.
• RegEx-DoS - CLI tool to identify possible regex denial of service (ReDos) vulnerabilities in your project.
• upash - Unified API for all password hashing algorithms.

• Benchmark.js - Benchmarking library that supports high-resolution timers and returns statistically significant results.
• matcha - Simplistic approach to benchmarking.

• babili - ES2015+ aware minifier based on the Babel toolchain.
• UglifyJS2 - JavaScript minifier.
• clean-css - CSS minifier.
• minimize - HTML minifier.
• imagemin - Image minifier.

• Passport - Simple, unobtrusive authentication.
• everyauth - Authentication and authorization (password, Facebook, etc) for your Connect and Express apps.
• passwordless - Token-based authentication middleware for Express allowing authentication without passwords.
• Lockit - Full featured authentication solution for Express. Supports a variety of databases, predefined routes, email and two-factor authentication.
• Grant - OAuth middleware for Express, Koa, and Hapi.
• CloudRail - Unified API for social authentication (Facebook, Twitter, Slack, Instagram, …).

• Nodemailer - The fastest way to handle email.
• emailjs - Send text/HTML emails with attachments to any SMTP server.
• email-templates - Create, preview, and send custom email templates.

• kue - Redis-backed priority job queue.
• bull - Persistent job and message queue.
• agenda - MonoDB-backed job scheduling.
• idoit - Redis-backed job queue engine with advanced job control.
• node-resque - Redis-backed job queue.
• rsmq - Redis-backed message queue.

• n - Node.js version management.
• nave - Virtual Environments for Node.js.
• nodeenv - Node.js virtual environment compatible to Python's virtualenv.
• nvm for Windows - Version management for Windows.

• Node.js
  • user-info - Node.js 6 os.userInfo() ponyfill.
  • buffer-includes - Node.js 5.3 buffer.includes() ponyfill.
  • deep-strict-equal - Test for deep equality - Node.js assert.deepStrictEqual() algorithm as a standalone module.
• JavaScript
  • harmony-reflect - ES2015 Reflect and Proxy polyfill.
  • es6-shim - Collection of ES2015 polyfills.

• retext - An extensible natural language system.
• franc - Detect the language of text.
• leven - Measure the difference between two strings using the Levenshtein distance algorithm.
• natural - Natural language facility.

• PM2 - Advanced Process Manager.
• nodemon - Monitor for changes in your app and automatically restart the server.
• node-mac - Run scripts as a native Mac daemon and log to the console app.
• node-linux - Run scripts as native system service and log to syslog.
• node-windows - Run scripts as a native Windows service and log to the Event viewer.
• forever - Ensures that a given script runs continuously.
• supervisor - Restart scripts when they crash or restart when a *.js file changes.
• Phusion Passenger - Friendly process manager that integrates directly into Nginx.
• naught - Process manager with zero downtime deployment.

• robotjs - Desktop Automation: control the mouse, keyboard and read the screen.

• Acorn - Tiny, fast JavaScript parser.
• Rocambole - Recursively walk and transform JavaScript AST.

• Metalsmith - Pluggable static site generator.
• Wintersmith - Flexible, minimalistic, multi-platform static site generator.
• Assemble - Static site generator for Node.js, Grunt.js, and Yeoman.
• DocPad - Static site generator with dynamic abilities and huge plugin ecosystem.
• Phenomic - Modern static website generator based on the React and Webpack ecosystem.
• docsify - Markdown documentation site generator with no statically built HTML files.

• KeystoneJS - CMS and web application platform built on Express and MongoDB.
• Apostrophe2 - Content management system with an emphasis on intuitive front end content editing and administration built on Express and MongoDB.

• nodeBB - Forum platform for the modern web.

• ghost - Simple, powerful publishing platform.
• Hexo - Fast, simple and powerful blogging framework.

• cows - ASCII cows.
• superb - Get superb like words.
• cat-names - Get popular cat names.
• dog-names - Get popular dog names.
• superheroes - Get superhero names.
• supervillains - Get supervillain names.
• cool-ascii-faces - Get some cool ascii faces.
• cat-ascii-faces - ₍˄·͈༝·͈˄₎◞ ̑̑ෆ⃛ (=ↀωↀ=)✧ (^･o･^)ﾉ”
• nerds - Get data from nerdy topics like Harry Potter, Star Wars, and Pokémon.

• execa - Better child_process.
• cheerio - Fast, flexible, and lean implementation of core jQuery designed specifically for the server.
• Electron - Build cross platform desktop apps with web technologies. (You might like awesome-electron)
• opn - Opens stuff like websites, files, executables.
• hasha - Hashing made simple. Get the hash of a buffer/string/stream/file.
• dot-prop - Get a property from a nested object using a dot path.
• onetime - Only run a function once.
• mem - Memoize functions - an optimization technique used to speed up consecutive function calls by caching the result of calls with identical input.
• import-fresh - Import a module while bypassing the cache.
• strip-bom - Strip UTF-8 byte order mark (BOM) from a string/buffer/stream.
• os-locale - Get the system locale.
• nan - Makes native add-on development for across Node.js versions easier.
• ssh2 - SSH2 client and server module.
• adit - SSH tunneling made simple.
• import-lazy - Import a module lazily.
• file-type - Detect the file type of a Buffer.
• Bottleneck - Rate limiter that makes throttling easy.
• webworker-threads - Lightweight Web Worker API implementation with native threads.
• clipboardy - Access the system clipboard (copy/paste).
• node-pre-gyp - Makes it easy to publish and install Node.js C++ addons from binaries.
• opencv - Bindings for OpenCV. The defacto computer vision library.
• dotenv - Load environment variables from .env file.
• remote-git-tags - Get tags from a remote git repo.
• semver - semver parser.
• Faker.js - Generate massive amounts of fake data.
• nodegit - Native bindings to Git.
• json-strictify - Safely serialize a value to JSON without data loss or going into an infinite loop.
• parent-module - Get the path of the parent module.
• resolve-from - Resolve the path of a module like require.resolve() but from a given path.
• simplecrawler - Event driven web crawler.
• jsdom - JavaScript implementation of HTML and the DOM.
• hypernova - Server-side rendering your JavaScript views.

• 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.
• browserify-handbook - The definitive guide for browserify.
• 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.

• npms - Superb package search with deep analysis of package quality using a myriad of metrics.
• node-modules.com - An alternative npm search engine with a more intelligent and personal results ranking.
• npm addict - Your daily injection of npm packages.
• npmcompare.com - Compare and discover npm packages.

• 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.

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

• Introduction to Node.js with Ryan Dahl
• Hands on with Node.js
• Full Streams Ahead - Introduction to streams.
• StrongLoop Talks - Series of talks.
• thenewboston's Node.js for Beginners
• Nodetuts - Series of talks, including TCP & HTTP API servers, async programming, and more.
• Node Interactive 2015 - List of talks, keynotes and panels from the 2015 Node Interactive conference.

• NodeUp
• Mostly Node

• 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

• Node.js blog
• HowToNode - Teaching how to do various tasks in Node.js as well as teach fundamental concepts that are needed to write effective code.
• webapplog.com - Blog posts on Node.js and JavaScript from the author of Practical Node.js and Pro Express.js Azat Mardan.

• Real Time Web with Node.js
• Learn and Understand Node.js
• Learn to build apps and APIs with Node.js - Video course by Wes Bos.

• Express.js
• Stream FAQs - Answering common questions about streams, covering pagination, events, and more.

• 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.

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

• nodebots - Robots powered by JavaScript.
• node-module-boilerplate - Boilerplate to kickstart creating a node module.
• generator-nm - Scaffold out a node module.
• awesome-cross-platform-nodejs - Resources for writing and testing cross-platform code.
• Microsoft Node.js Guidelines - Tips, tricks, and resources for working with Node.js on Microsoft platforms.

To the extent possible under law, Sindre Sorhus has waived all copyright and related or neighboring rights to this work.