NodeJS resources



Delightful Node.js packages and resources

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



Mad science

  • 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.
  • 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.
  • Kadence – 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • brightness – Change the screen brightness.
  • torrent – Download torrents.
  • kill-tabs – Kill all Chrome tabs to improve performance, decrease battery usage, and save memory.
  • alex – Catch insensitive, inconsiderate writing.
  • 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.
  • 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.
  • 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.
  • Folktale – Suite of libraries for generic functional programming in JavaScript that allows you to write elegant, modular applications with fewer bugs, and more reuse.
  • 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).
  • wreck – HTTP Client Utilities.
  • download – Download and extract files effortlessly.
  • http-proxy – HTTP proxy.
  • 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.
  • global-agent – Global HTTP/HTTPS proxy agent that is configurable using environment variables.
  • smoke – File-based HTTP mock server with recording abilities.
  • undici – High performance HTTP client written from scratch with zero dependencies.

Debugging / Profiling

  • ndb – Improved debugging experience, enabled by Chrome DevTools.
  • ironNode – Node.js debugger supporting ES2015 out of the box.
  • node-inspector – Debugger based on Blink Developer Tools.
  • 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.


  • 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.
  • signale – Console logger.
  • 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.
  • first-run – Check if it’s the first time the process is run.
  • 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.
  • update-notifier – Update notifications for your CLI app.
  • 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.
  • sudo-block – Block users from running your app with root permissions.
  • loud-rejection – Make unhandled promise rejections fail loudly instead of the default silent fail.
  • 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.

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.
  • Start – Functional task runner with shareable presets.
  • ygor – Promising task runner for when npm run isn’t enough and everything else is too much.
  • 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.


  • 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.


  • 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

  • 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)
  • 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.
  • 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.
  • Moleculer – Fast & powerful microservices framework.
  • Fastify – Fast and low overhead web 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.


  • documentation.js – API documentation generator with support for ES2015+ and flow annotation.
  • ESDoc – Documentation generator targeting ES2015, attaching test code and measuring documentation coverage.
  • 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.


  • 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 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
    • 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
  • 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).


  • 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.


  • µWebSockets – Highly scalable WebSocket server & client library.
  • – 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.
  • – 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.


  • 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.


  • 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.
  • 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.


  • 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-clamp – Clamp a number.
  • algebra – Algebraic structures.
  • multimath – Core to create fast image math in WebAssembly and JS.


  • Luxon – Library for working with dates and times.
  • date-fns – Modern date utility.
  • Moment.js – Parse, validate, manipulate, and display dates.
  • 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.


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).


  • 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.
  • 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.


  • 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.


  • 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 tartar.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.
  • DHCP – DHCP client and server.
  • netcat – Netcat port in pure JS.


  • 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.
    • Massive – PostgreSQL data access tool.
    • 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.


  • 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.


  • 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.


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



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


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


  • 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.

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.


  • 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.


  • Acorn – Tiny, fast JavaScript parser.
  • babel-parser – JavaScript parser used in Babel.
  • cherow – JavaScript parser with focus on performance and stability.

Static site generators

  • 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.
  • 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.
  • Tipe – Developer-first content management system with GraphQL and REST API from a schema file.
  • Factor – Vue.js dashboard framework and headless CMS.
  • AdminBro – Auto-generated admin panel with CRUD for all your resources.


  • nodeBB – Forum platform for the modern web.


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



  • snappy – Native bindings for Google’s Snappy compression library.
  • protobuf – Implementation of Protocol Buffers.
  • compactr – Implementation of the Compactr protocol.


  • 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)
  • 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.
  • 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.
  • 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.
  • 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.
  • remote-git-tags – Get tags from a remote git repo.
  • semver – Semantic version 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.
  • 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.
  • @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.



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







  • Node.js blog
  • – Blog posts on Node.js and JavaScript from the author of Practical Node.js and Pro Express.js Azat Mardan.



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


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



Related lists