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Node.js is an open-source, cross-platform, JavaScript runtime for writing servers and command-line tools.

Official
Packages
- Mad science
- Command-line apps
- Functional programming
- HTTP
- Debugging / Profiling
- Logging
- Command-line utilities
- Build tools
- Hardware
- Templating
- Web frameworks
- Documentation
- Filesystem
- Control flow
- Streams
- Real-time
- Image
- Text
- Number
- Math
- Date
- URL
- Data validation
- Parsing
- Humanize
- Compression
- Network
- Database
- Testing
- Security
- Benchmarking
- Minifiers
- Authentication
- Authorization
- Email
- Job queues
- Node.js management
- Natural language processing
- Process management
- Automation
- AST
- Static site generators
- Content management systems
- Forum
- Blogging
- Weird
- Serialization
- Miscellaneous
Package Manager
Resources
- Tutorials
- Discovery
- Articles
- Newsletters
- Videos
- Books
- Blogs
- Courses
- Cheatsheets
- Tools
- Community
- Miscellaneous
Related lists

Official

Packages

Mad science

webtorrent - Streaming torrent client for Node.js and the browser.
peerflix - Streaming torrent client.
ipfs - Distributed file system that seeks to connect all computing devices with the same system of files.
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.
YodaOS - AI operating system.
Brain.js - Machine-learning framework.
Pipcook - Front-end algorithm framework to create a machine learning pipeline.
Cytoscape.js - Graph theory (a.k.a. network) modeling and analysis.
js-git - JavaScript implementation of Git.
xlsx - Pure JS Excel spreadsheet reader and writer.
isomorphic-git - Pure JavaScript implementation of Git.

Command-line apps

np - Better npm publish.
npm-name - Check a package name's availability on npm.
gh-home - Open the GitHub page of the repo in the current directory.
npm-home - Open the npm page of a package.
trash - Safer alternative to rm.
speed-test - Test your internet connection speed and ping.
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.
XO - Enforce strict code style using the JavaScript happiness style.
ESLint - The pluggable linting utility for JavaScript.
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.
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.
wifi-password - Get the current wifi password.
wallpaper - Change the desktop wallpaper.
pen - Live Markdown preview in the browser from your favorite editor.
dark-mode - Toggle the macOS Dark Mode.
Jsome - Pretty prints JSON with configurable colors and indentation.
mobicon - Mobile app icon generator.
mobisplash - Mobile app splash screen generator.
diff2html-cli - Pretty git diff to HTML generator.
trymodule - Try out npm packages in the terminal.
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.
carbon-now-cli - Beautiful images of your code — from right inside your terminal.
cash-cli - Convert between 170 currencies.
taskbook - Tasks, boards & notes for the command-line habitat.
discharge - Easily deploy static websites to Amazon S3.
npkill - Easily find and remove old and heavy node_modules folders.

Functional programming

lodash - Utility library delivering consistency, customization, performance, & extras. A better and faster Underscore.js.
immutable - Immutable data collections.
Ramda - Utility library with a focus on flexible functional composition enabled by automatic currying and reversed argument order. Avoids mutating data.
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.
RxJS - Functional reactive library for transforming, composing, and querying various kinds of data.
Kefir.js - Reactive library with focus on high performance and low memory usage.

HTTP

got - Nicer interface to the built-in http module.
undici - High performance HTTP client written from scratch with zero dependencies.
ky-universal - Universal HTTP client based on Fetch.
node-fetch - window.fetch for Node.js.
axios - Promise based HTTP client (works in the browser too).
superagent - HTTP request library.
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.
global-agent - Global HTTP/HTTPS proxy agent that is configurable using environment variables.
smoke - File-based HTTP mock server with recording abilities.
purest - REST client.

Debugging / Profiling

debug - Tiny debugging utility.
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.
0x - Flamegraph profiling.
ctrace - Well-formatted and improved trace system calls and signals.
leakage - Write memory leak tests.
llnode - Post-mortem analysis tool which allows you to inspect objects and get insights from a crashed Node.js process.
thetool - Capture different CPU, memory, and other profiles for your app in Chrome DevTools friendly format.
swagger-stats - Trace API calls and monitor API performance, health, and usage metrics.
NiM - Manages DevTools debugging workflow.
dats - Minimalistic and zero-dependencies StatsD client.

Logging

pino - Extremely fast logger inspired by Bunyan.
winston - Multi-transport async logging library.
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.
consola - Console logger.

Command-line utilities

chalk - Terminal string styling done right.
meow - CLI app helper.
yargs - Command-line parser that automatically generates an elegant user-interface.
ora - Elegant terminal spinner.
get-stdin - Easier stdin.
log-update - Log by overwriting the previous output in the terminal. Useful for rendering progress bars, animations, etc.
Ink - React for interactive command-line apps.
listr - Terminal task list.
conf - Simple config handling for your app or module.
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.
terminal-link - Create clickable links in the terminal.
terminal-image - Display images 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.
blessed - Curses-like library.
Inquirer.js - Interactive command-line prompt.
yn - Parse yes/no like values.
cli-table3 - Pretty unicode tables.
drawille - Draw on the terminal with unicode braille characters.
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.
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.
sudo-block - Block users from running your app with root permissions.
sparkly - Generate sparklines ▁▂▃▅▂▇.
Bit - Create, maintain, find and use small modules and components across repositories.
gradient-string - Beautiful color gradients in terminal output.
oclif - CLI framework complete with parser, automatic documentation, testing, and plugins.
term-size - Reliably get the terminal window size.
Cliffy - Framework for interactive CLIs.
zx - Write shell scripts JavaScript.

Build tools

parcel - Blazing fast, zero config web app bundler.
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.
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.
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.
Vite - Front-end build tool with hot module replacement and static asset bundling.

Hardware

johnny-five - Firmata based Arduino Framework.
serialport - Access serial ports for reading and writing.
usb - USB library.
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.
gps - NMEA parser for handling GPS receivers.
modbus-serial - A pure JavaScript implementation of MODBUS-RTU (serial and TCP).

Templating

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.
EJS - Simple unopinionated templating language.
Pug - High-performance template engine heavily influenced by Haml.

Web frameworks

Fastify - Fast and low overhead web framework.
Next.js - Minimalistic framework for server-rendered universal JavaScript web apps.
Nuxt.js - Minimalistic framework for server-rendered Vue.js apps.
Hapi - Framework for building applications and services.
Micro - Minimalistic microservice framework with an async approach.
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)
Restify - Enables you to build correct REST web services.
ThinkJS - Framework with ES2015+ support, WebSockets, REST API.
ActionHero - Framework for making reusable & scalable APIs for TCP sockets, WebSockets, and HTTP clients.
seneca - Toolkit for writing microservices.
AdonisJs - A true MVC framework for Node.js built on solid foundations of Dependency Injection and IoC container.
Moleculer - Fast & powerful microservices framework.
Nest - Angular-inspired framework for building efficient and scalable server-side apps.
TypeGraphQL - Modern framework for creating GraphQL APIs with TypeScript, using classes and decorators.
Tinyhttp - Modern and fast Express-like web framework.
Marble.js - Functional reactive framework for building server-side apps, based on TypeScript and RxJS.
Lad - Framework made by a former Express TC and Koa member that bundles web, API, job, and proxy servers.
Ts.ED - Intituive TypeScript framework for building server-side apps on top of Express.js or Koa.js.

Documentation

documentation.js - API documentation generator with support for ES2015+ and flow annotation.
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.
Docusaurus - Documentation website generator that leverages React and Markdown, and comes with translation and versioning features.

Filesystem

del - Delete files/folders using globs.
globby - Glob files with support for multiple patterns.
cpy - Copy files.
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.
filehound - Flexible and fluent interface for searching the file system.
move-file - Move a file, even works across devices.
tempy - Get a random temporary file or directory path.

Control flow

Promises
- 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
- RxJS - Reactive programming.
- observable-to-promise - Convert an Observable to a Promise.
- More…
Streams
- Highland.js - Manages synchronous and asynchronous code easily, using nothing more than standard JavaScript and Node-like Streams.

Streams

get-stream - Get a stream as a string or buffer.
from2 - Convenience wrapper for ReadableStream, inspired by through2.
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.
readable-stream - Mirror of Streams2 and Streams3 implementations in core.
through2-concurrent - Transform object streams concurrently.

Real-time

µWebSockets - Highly scalable WebSocket server & client library.
Socket.io - Enables real-time bidirectional event-based communication.
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.
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.
rpc-websockets - JSON-RPC 2.0 implementation over WebSockets.
Aedes - Barebone MQTT server that can run on any stream server.

Image

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.
probe-image-size - Get the size of most image formats without a full download.
qrcode - QR code and bar code generator.
ImageScript - Image processing in JavaScript, utilizing WebAssembly for performance.

Text

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.
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.
matcher - Simple wildcard matching.
unhomoglyph - Normalize visually similar unicode characters.
i18next - Internationalization framework.
nanoid - Tiny, secure, URL-friendly, unique string ID generator.
StegCloak - Conceal secrets within strings, in plain sight.

Number

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.

Math

ndarray - Multidimensional arrays.
mathjs - An extensive math library.
math-clamp - Clamp a number.
algebra - Algebraic structures.
multimath - Core to create fast image math in WebAssembly and JS.

Date

Luxon - Library for working with dates and times.
date-fns - Modern date utility.
Day.js - Immutable date library alternative to 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.

URL

normalize-url - Normalize a URL.
humanize-url - Humanize a URL: https://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.

Data validation

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, v6 and v7 proposals.
Superstruct - Simple and composable way to validate data in JavaScript (and TypeScript).
yup - Object schema validation.

Parsing

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.
@parcel/css - A CSS parser, transformer, and minifier written in Rust.
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.
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.
Stylecow - Parse, manipulate and convert modern CSS to make it compatible with all browsers. Extensible with plugins.
js-yaml - Very fast YAML 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.
Chevrotain - Very fast and feature rich parser building toolkit for JavaScript.
fast-xml-parser - Validate and parse XML.

Humanize

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.
read-art - Extract readable content from any page.

Compression

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.

Network

get-port - Get an available port.
ipify - Get your public IP address.
getmac - Get the computer MAC address.
DHCP - DHCP client and server.
netcat - Netcat port in pure JS.

Database

Drivers
- PostgreSQL - PostgreSQL client. Pure JavaScript and native libpq bindings.
- Redis - Redis client.
- LevelUP - LevelDB.
- MySQL - MySQL client.
- couchdb-nano - CouchDB client.
- Aerospike - Aerospike client.
- Couchbase - Couchbase client.
- MongoDB - MongoDB driver.
ODM / ORM
- Sequelize - Multi-dialect ORM. Supports PostgreSQL, SQLite, MySQL, and more.
- Bookshelf - ORM for PostgreSQL, MySQL and SQLite3 in the style of Backbone.js.
- Mongoose - Elegant MongoDB object modeling.
- Waterline - Datastore-agnostic tool that dramatically simplifies interaction with one or more databases.
- OpenRecord - ORM for PostgreSQL, MySQL, SQLite3 and RESTful datastores. Similar to ActiveRecord.
- pg-promise - PostgreSQL framework for native SQL using promises.
- slonik - PostgreSQL client with strict types, detailed logging and assertions.
- Objection.js - Lightweight ORM built on the SQL query builder Knex.
- TypeORM - ORM for PostgreSQL, MariaDB, MySQL, SQLite, and more.
- MikroORM - TypeScript ORM based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, PostgreSQL, MySQL and SQLite.
- Prisma - Modern database access (ORM alternative). Auto-generated and type-safe query builder in TypeScript. Supports PostgreSQL, MySQL & SQLite.
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.
- Finale - RESTful endpoint generator for your Sequelize models.
- database-js - Wrapper for multiple databases with a JDBC-like connection.
- Mongo Seeding - Populate MongoDB databases with JavaScript and JSON files.
- @databases - Query PostgreSQL, MySQL and SQLite3 with plain SQL without risking SQL injection.
- pg-mem - In-memory PostgreSQL instance for your tests.

Testing

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.
CodeceptJS - End-to-end testing.
Puppeteer - Headless Chrome.
Playwright - Headless Chromium, WebKit, and Firefox with a single API.
nve - Run any command on multiple versions of Node.js locally.
axe-core - Accessibility engine for automated Web UI testing.
testcontainers-node - Provides lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Security

upash - Unified API for all password hashing algorithms.
themis - Multilanguage framework for making typical encryption schemes easy to use: data at rest, authenticated data exchange, transport protection, authentication, and so on.
GuardRails - GitHub app that provides security feedback in pull requests.
rate-limiter-flexible - Brute-force and DDoS attack protection.
crypto-hash - Async non-blocking hashing.
jose-simple - Encryption and decryption of data using the JOSE (JSON Object Signing and Encryption) standard.

Benchmarking

Benchmark.js - Benchmarking library that supports high-resolution timers and returns statistically significant results.

Minifiers

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

Authentication

Passport - Simple, unobtrusive authentication.
Grant - OAuth providers for Express, Koa, Hapi, Fastify, AWS Lambda, Azure, Google Cloud, Vercel, and many more.

Authorization

CASL - Isomorphic authorization for UI and API.
node-casbin - Authorization library that supports access control models like ACL, RBAC and ABAC.

Email

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.
MJML - Markup language designed to reduce the pain of creating responsive emails.

Job queues

bull - Persistent job and message queue.
agenda - MongoDB-backed job scheduling.
idoit - Redis-backed job queue engine with advanced job control.
node-resque - Redis-backed job queue.
rsmq - Redis-backed message queue.
bee-queue - High-performance Redis-backed job queue.
RedisSMQ - Simple high-performance Redis message queue with real-time monitoring.
sqs-consumer - Build Amazon Simple Queue Service (SQS) based apps without the boilerplate.
better-queue - Simple and efficient job queue when you cannot use Redis.
bullmq - Persistent job and message queue.

Node.js management

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.
nodenv - Version manager that is similar to Ruby's rbenv. It supports auto version switching.
fnm - Cross-platform Node.js version manager built in Rust.

Natural language processing

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.
nlp.js - Building bots, with entity extraction, sentiment analysis, automatic language identify, and more.

Process management

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.
supervisor - Restart scripts when they crash or restart when a *.js file changes.
Phusion Passenger - Friendly process manager that integrates directly into Nginx.

Automation

robotjs - Desktop Automation: control the mouse, keyboard and read the screen.
nut.js - Cross-platform native GUI automation / testing framework with image matching capabilities which integrates with Jest.

AST

Acorn - Tiny, fast JavaScript parser.
babel-parser - JavaScript parser used in Babel.

Static site generators

DocPad - Static site generator with dynamic abilities and huge plugin ecosystem.
docsify - Markdown documentation site generator with no statically built HTML files.
Charge - Opinionated, zero-config static site generator using JSX and MDX.

Content management systems

KeystoneJS - CMS and web application platform built on Express and MongoDB.
ApostropheCMS - Content management system with an emphasis on intuitive front end content editing and administration built on Express and MongoDB.
Strapi - Content Management Framework (headless-CMS) to build powerful APIs.
Factor - Vue.js dashboard framework and headless CMS.
AdminBro - Auto-generated admin panel with CRUD for all your resources.

Forum

nodeBB - Forum platform for the modern web.

Blogging

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

Weird

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.

Serialization

snappy - Native bindings for Google's Snappy compression library.
protobuf - Implementation of Protocol Buffers.
compactr - Implementation of the Compactr protocol.

Miscellaneous

execa - Better child_process.
cheerio - Fast, flexible, and lean implementation of core jQuery designed specifically for the server.
open - 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.
strip-bom - Strip UTF-8 byte order mark (BOM) from a string/buffer/stream.
os-locale - Get the system locale.
ssh2 - SSH2 client and server module.
adit - SSH tunneling made simple.
file-type - Detect the file type of a Buffer.
Bottleneck - Rate limiter that makes throttling easy.
ow - Function argument validation for humans.
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.
semver - Semantic version parser.
nodegit - Native bindings to Git.
json-strictify - Safely serialize a value to JSON without data loss or going into an infinite loop.
jsdom - JavaScript implementation of HTML and the DOM.
@sindresorhus/is - Type check values.
env-dot-prop - Get, set, or delete nested properties of process.env using a dot path.
emittery - Simple and modern async event emitter.
node-video-lib - Pure JavaScript library for working with MP4 and FLV video files and creating MPEG-TS chunks for HLS streaming.
basic-ftp – FTP/FTPS client.
cashify - Currency conversion.
genepi - Automatically generate a native Node.js addon from C++ code.
husky - Create Git hook scripts.
patch-package - Make and preserve fixes to npm dependencies.
editly - Declarative video editing API.
wild-wild-path - Object property paths with wildcards and regexes.

Package Manager

npm - The default package manager.
pnpm - Disk space efficient package manager.
yarn - Alternative package manager.

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.
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.

Discovery

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.

Articles

Newsletters

Node Weekly - Weekly e-mail round-up of Node.js news and articles.

Videos

Introduction to Node.js with Ryan Dahl
Hands on with Node.js
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.

Books

Blogs

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.

Courses

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

Cheatsheets

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.

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.
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.
Amplication - Auto-generates fully functional apps.
RunJS - Desktop JavaScript playground.

Community

Miscellaneous

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.

Related lists

awesome-npm - Resources and tips for using npm.
awesome-cross-platform-nodejs - Resources for writing and testing cross-platform code.

sindresorhus/awesome-nodejs

sindresorhus

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Repository Details

Contents

Official

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HTTP

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Hardware

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Minifiers

Authentication

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Email

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AST

Static site generators

Content management systems

Forum

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Weird

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Miscellaneous

Package Manager

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