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Contents

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  • David - Tells you when your package npm dependencies are out of date.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.

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.

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
  • 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

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
  • 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

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

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

Articles

Newsletters

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

Videos

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

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.

Community

Miscellaneous

Related lists