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

## Contents - [Official](#official) - [Packages](#packages) - [Mad science](#mad-science) - [Command-line apps](#command-line-apps) - [Functional programming](#functional-programming) - [HTTP](#http) - [Debugging / Profiling](#debugging--profiling) - [Logging](#logging) - [Command-line utilities](#command-line-utilities) - [Build tools](#build-tools) - [Hardware](#hardware) - [Templating](#templating) - [Web frameworks](#web-frameworks) - [Documentation](#documentation) - [Filesystem](#filesystem) - [Control flow](#control-flow) - [Streams](#streams) - [Real-time](#real-time) - [Image](#image) - [Text](#text) - [Number](#number) - [Math](#math) - [Date](#date) - [URL](#url) - [Data validation](#data-validation) - [Parsing](#parsing) - [Humanize](#humanize) - [Compression](#compression) - [Network](#network) - [Database](#database) - [Testing](#testing) - [Security](#security) - [Benchmarking](#benchmarking) - [Minifiers](#minifiers) - [Authentication](#authentication) - [Authorization](#authorization) - [Email](#email) - [Job queues](#job-queues) - [Node.js management](#nodejs-management) - [Cross-platform integration](#cross-platform-integration) - [Natural language processing](#natural-language-processing) - [Process management](#process-management) - [Automation](#automation) - [AST](#ast) - [Static site generators](#static-site-generators) - [Content management systems](#content-management-systems) - [Forum](#forum) - [Blogging](#blogging) - [Weird](#weird) - [Serialization](#serialization) - [Miscellaneous](#miscellaneous) - [Package Manager](#package-manager) - [Resources](#resources) - [Tutorials](#tutorials) - [Discovery](#discovery) - [Articles](#articles) - [Newsletters](#newsletters) - [Videos](#videos) - [Books](#books) - [Blogs](#blogs) - [Courses](#courses) - [Cheatsheets](#cheatsheets) - [Tools](#tools) - [Community](#community) - [Miscellaneous](#miscellaneous-1) - [Related lists](#related-lists) ## Official - [Website](https://nodejs.org) - [Documentation](https://nodejs.org/dist/latest/docs/api/) - [Repository](https://github.com/nodejs/node) ## Packages ### Mad science - [webtorrent](https://github.com/webtorrent/webtorrent) - Streaming torrent client for Node.js and the browser. - [peerflix](https://github.com/mafintosh/peerflix) - Streaming torrent client. - [ipfs](https://github.com/ipfs/helia) - Distributed file system that seeks to connect all computing devices with the same system of files. - [stackgl](https://github.com/stackgl) - Open software ecosystem for WebGL, built on top of browserify and npm. - [peerwiki](https://github.com/mafintosh/peerwiki) - All of Wikipedia on BitTorrent. - [peercast](https://github.com/mafintosh/peercast) - Stream a torrent video to Chromecast. - [BitcoinJS](https://github.com/bitcoinjs/bitcoinjs-lib) - Clean, readable, proven Bitcoin library. - [Bitcore](https://github.com/bitpay/bitcore) - Pure and powerful Bitcoin library. - [PDFKit](https://github.com/foliojs/pdfkit) - PDF generation library. - [turf](https://github.com/Turfjs/turf) - Modular geospatial processing and analysis engine. - [webcat](https://github.com/mafintosh/webcat) - p2p pipe across the web using WebRTC that uses your GitHub private/public key for authentication. - [NodeOS](https://github.com/NodeOS/NodeOS) - The first operating system powered by npm. - [YodaOS](https://github.com/yodaos-project/yodaos) - AI operating system. - [Brain.js](https://github.com/BrainJS/brain.js) - Machine-learning framework. - [Pipcook](https://github.com/alibaba/pipcook) - Front-end algorithm framework to create a machine learning pipeline. - [Cytoscape.js](https://github.com/cytoscape/cytoscape.js) - Graph theory (a.k.a. network) modeling and analysis. - [js-git](https://github.com/creationix/js-git) - JavaScript implementation of Git. - [xlsx](https://github.com/SheetJS/sheetjs) - Pure JS Excel spreadsheet reader and writer. - [isomorphic-git](https://github.com/isomorphic-git/isomorphic-git) - Pure JavaScript implementation of Git. ### Command-line apps - [np](https://github.com/sindresorhus/np) - Better `npm publish`. - [npm-name](https://github.com/sindresorhus/npm-name) - Check a package name's availability on npm. - [gh-home](https://github.com/sindresorhus/gh-home) - Open the GitHub page of the repo in the current directory. - [npm-home](https://github.com/sindresorhus/npm-home) - Open the npm page of a package. - [trash](https://github.com/sindresorhus/trash) - Safer alternative to `rm`. - [speed-test](https://github.com/sindresorhus/speed-test) - Test your internet connection speed and ping. - [pageres](https://github.com/sindresorhus/pageres) - Capture website screenshots. - [cpy](https://github.com/sindresorhus/cpy) - Copy files. - [vtop](https://github.com/MrRio/vtop) - More better top, with nice charts. - [empty-trash](https://github.com/sindresorhus/empty-trash) - Empty the trash. - [is-up](https://github.com/sindresorhus/is-up) - Check whether a website is up or down. - [is-online](https://github.com/sindresorhus/is-online) - Check if the internet connection is up. - [public-ip](https://github.com/sindresorhus/public-ip) - Get your public IP address. - [clipboard-cli](https://github.com/sindresorhus/clipboard-cli) - Copy & paste on the terminal. - [XO](https://github.com/xojs/xo) - Enforce strict code style using the JavaScript happiness style. - [ESLint](https://github.com/eslint/eslint) - The pluggable linting utility for JavaScript. - [David](https://github.com/alanshaw/david) - Tells you when your package npm dependencies are out of date. - [http-server](https://github.com/http-party/http-server) - Simple, zero-config command-line HTTP server. - [Live Server](https://github.com/tapio/live-server) - Development HTTP-server with livereload capability. - [bcat](https://github.com/kessler/node-bcat) - Pipe command output to web browsers. - [normit](https://github.com/pawurb/normit) - Google Translate with speech synthesis in your terminal. - [fkill](https://github.com/sindresorhus/fkill-cli) - Fabulously kill processes. Cross-platform. - [pjs](https://github.com/danielstjules/pjs) - Pipeable JavaScript. Quickly filter, map, and reduce from the terminal. - [license-checker](https://github.com/davglass/license-checker) - Check licenses of your app's dependencies. - [browser-run](https://github.com/juliangruber/browser-run) - Easily run code in a browser environment. - [tmpin](https://github.com/sindresorhus/tmpin) - Adds stdin support to any CLI app that accepts file input. - [wallpaper](https://github.com/sindresorhus/wallpaper) - Change the desktop wallpaper. - [pen](https://github.com/hatashiro/pen) - Live Markdown preview in the browser from your favorite editor. - [dark-mode](https://github.com/sindresorhus/dark-mode) - Toggle the macOS Dark Mode. - [Jsome](https://github.com/Javascipt/Jsome) - Pretty prints JSON with configurable colors and indentation. - [mobicon](https://github.com/samverschueren/mobicon-cli) - Mobile app icon generator. - [mobisplash](https://github.com/samverschueren/mobisplash-cli) - Mobile app splash screen generator. - [diff2html-cli](https://github.com/rtfpessoa/diff2html-cli) - Pretty git diff to HTML generator. - [trymodule](https://github.com/victorb/trymodule) - Try out npm packages in the terminal. - [jscpd](https://github.com/kucherenko/jscpd) - Copy/paste detector for source code. - [atmo](https://github.com/Raathigesh/Atmo) - Server-side API mocking. - [auto-install](https://github.com/siddharthkp/auto-install) - Auto installs dependencies as you code. - [cost-of-modules](https://github.com/siddharthkp/cost-of-modules) - Find out which dependencies are slowing you down. - [localtunnel](https://github.com/localtunnel/localtunnel) - Expose your localhost to the world. - [svg-term-cli](https://github.com/marionebl/svg-term-cli) - Share terminal sessions via SVG. - [gtop](https://github.com/aksakalli/gtop) - System monitoring dashboard for the terminal. - [themer](https://github.com/themerdev/themer) - Generate themes for your editor, terminal, wallpaper, Slack, and more. - [carbon-now-cli](https://github.com/mixn/carbon-now-cli) - Beautiful images of your code — from right inside your terminal. - [cash-cli](https://github.com/xxczaki/cash-cli) - Convert between 170 currencies. - [taskbook](https://github.com/klaussinani/taskbook) - Tasks, boards & notes for the command-line habitat. - [discharge](https://github.com/brandonweiss/discharge) - Easily deploy static websites to Amazon S3. - [npkill](https://github.com/voidcosmos/npkill) - Easily find and remove old and heavy node_modules folders. ### Functional programming - [lodash](https://github.com/lodash/lodash) - Utility library delivering consistency, customization, performance, & extras. A better and faster Underscore.js. - [immutable](https://github.com/immutable-js/immutable-js) - Immutable data collections. - [Ramda](https://github.com/ramda/ramda) - Utility library with a focus on flexible functional composition enabled by automatic currying and reversed argument order. Avoids mutating data. - [Mout](https://github.com/mout/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](https://github.com/reactivex/rxjs) - Functional reactive library for transforming, composing, and querying various kinds of data. - [Kefir.js](https://github.com/kefirjs/kefir) - Reactive library with focus on high performance and low memory usage. ### HTTP - [got](https://github.com/sindresorhus/got) - Nicer interface to the built-in `http` module. - [undici](https://github.com/nodejs/undici) - High performance HTTP client written from scratch with zero dependencies. - [ky-universal](https://github.com/sindresorhus/ky-universal) - Universal HTTP client based on Fetch. - [node-fetch](https://github.com/node-fetch/node-fetch) - `window.fetch` for Node.js. - [axios](https://github.com/axios/axios) - Promise based HTTP client (works in the browser too). - [superagent](https://github.com/visionmedia/superagent) - HTTP request library. - [http-fake-backend](https://github.com/micromata/http-fake-backend) - Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes. - [cacheable-request](https://github.com/lukechilds/cacheable-request) - Wrap native HTTP requests with RFC compliant cache support. - [gotql](https://github.com/khaosdoctor/gotql) - GraphQL request library built on [got](https://github.com/sindresorhus/got). - [global-agent](https://github.com/gajus/global-agent) - Global HTTP/HTTPS proxy agent that is configurable using environment variables. - [smoke](https://github.com/sinedied/smoke) - File-based HTTP mock server with recording abilities. - [purest](https://github.com/simov/purest) - REST client. ### Debugging / Profiling - [debug](https://github.com/debug-js/debug) - Tiny debugging utility. - [why-is-node-running](https://github.com/mafintosh/why-is-node-running) - Node.js is running but you don't know why? - [njsTrace](https://github.com/valyouw/njstrace) - Instrument and trace your code, see all function calls, arguments, return values, as well as the time spent in each function. - [vstream](https://github.com/joyent/node-vstream) - Instrumentable streams mix-ins to inspect a pipeline of streams. - [stackman](https://github.com/watson/stackman) - Enhance an error stacktrace with code excerpts and other goodies. - [locus](https://github.com/alidavut/locus) - Starts a REPL at runtime that has access to all variables. - [0x](https://github.com/davidmarkclements/0x) - Flamegraph profiling. - [ctrace](https://github.com/automation-stack/ctrace) - Well-formatted and improved trace system calls and signals. - [leakage](https://github.com/andywer/leakage) - Write memory leak tests. - [llnode](https://github.com/nodejs/llnode) - Post-mortem analysis tool which allows you to inspect objects and get insights from a crashed Node.js process. - [thetool](https://github.com/sfninja/thetool) - Capture different CPU, memory, and other profiles for your app in Chrome DevTools friendly format. - [swagger-stats](https://github.com/slanatech/swagger-stats) - Trace API calls and monitor API performance, health, and usage metrics. - [NiM](https://github.com/june07/nim) - Manages DevTools debugging workflow. - [dats](https://github.com/immobiliare/dats) - Minimalistic and zero-dependencies [StatsD](https://github.com/statsd/statsd) client. ### Logging - [pino](https://github.com/pinojs/pino) - Extremely fast logger inspired by Bunyan. - [winston](https://github.com/winstonjs/winston) - Multi-transport async logging library. - [console-log-level](https://github.com/watson/console-log-level) - The most simple logger imaginable with support for log levels and custom prefixes. - [storyboard](https://github.com/guigrpa/storyboard) - End-to-end, hierarchical, real-time, colorful logs and stories. - [consola](https://github.com/unjs/consola) - Console logger. ### Command-line utilities - [chalk](https://github.com/chalk/chalk) - Terminal string styling done right. - [meow](https://github.com/sindresorhus/meow) - CLI app helper. - [yargs](https://github.com/yargs/yargs) - Command-line parser that automatically generates an elegant user-interface. - [ora](https://github.com/sindresorhus/ora) - Elegant terminal spinner. - [get-stdin](https://github.com/sindresorhus/get-stdin) - Easier stdin. - [log-update](https://github.com/sindresorhus/log-update) - Log by overwriting the previous output in the terminal. Useful for rendering progress bars, animations, etc. - [Ink](https://github.com/vadimdemedes/ink) - React for interactive command-line apps. - [listr2](https://github.com/listr2/listr2) - Terminal task list. - [conf](https://github.com/sindresorhus/conf) - Simple config handling for your app or module. - [ansi-escapes](https://github.com/sindresorhus/ansi-escapes) - ANSI escape codes for manipulating the terminal. - [log-symbols](https://github.com/sindresorhus/log-symbols) - Colored symbols for various log levels. - [figures](https://github.com/sindresorhus/figures) - Unicode symbols with Windows CMD fallbacks. - [boxen](https://github.com/sindresorhus/boxen) - Create boxes in the terminal. - [terminal-link](https://github.com/sindresorhus/terminal-link) - Create clickable links in the terminal. - [terminal-image](https://github.com/sindresorhus/terminal-image) - Display images in the terminal. - [string-width](https://github.com/sindresorhus/string-width) - Get the visual width of a string - the number of columns required to display it. - [cli-truncate](https://github.com/sindresorhus/cli-truncate) - Truncate a string to a specific width in the terminal. - [blessed](https://github.com/chjj/blessed) - Curses-like library. - [Inquirer.js](https://github.com/SBoudrias/Inquirer.js) - Interactive command-line prompt. - [yn](https://github.com/sindresorhus/yn) - Parse yes/no like values. - [cli-table3](https://github.com/cli-table/cli-table3) - Pretty unicode tables. - [drawille](https://github.com/madbence/node-drawille) - Draw on the terminal with unicode braille characters. - [ascii-charts](https://github.com/jstrace/chart) - ASCII bar chart in the terminal. - [progress](https://github.com/visionmedia/node-progress) - Flexible ascii progress bar. - [insight](https://github.com/yeoman/insight) - Helps you understand how your tool is being used by anonymously reporting usage metrics to Google Analytics. - [cli-cursor](https://github.com/sindresorhus/cli-cursor) - Toggle the CLI cursor. - [cli-columns](https://github.com/shannonmoeller/cli-columns) - Columnated unicode and ansi-safe text lists. - [cfonts](https://github.com/dominikwilkowski/cfonts) - Sexy ASCII fonts for the console. - [multispinner](https://github.com/codekirei/node-multispinner) - Multiple, simultaneous, individually controllable CLI spinners. - [omelette](https://github.com/f/omelette) - Shell autocompletion helper. - [cross-env](https://github.com/kentcdodds/cross-env) - Set environment variables cross-platform. - [shelljs](https://github.com/shelljs/shelljs) - Portable Unix shell commands. - [sudo-block](https://github.com/sindresorhus/sudo-block) - Block users from running your app with root permissions. - [sparkly](https://github.com/sindresorhus/sparkly) - Generate sparklines `▁▂▃▅▂▇`. - [Bit](https://github.com/teambit/bit) - Create, maintain, find and use small modules and components across repositories. - [gradient-string](https://github.com/bokub/gradient-string) - Beautiful color gradients in terminal output. - [oclif](https://github.com/oclif/oclif) - CLI framework complete with parser, automatic documentation, testing, and plugins. - [terminal-size](https://github.com/sindresorhus/terminal-size) - Reliably get the terminal window size. - [Cliffy](https://github.com/drew-y/cliffy) - Framework for interactive CLIs. - [zx](https://github.com/google/zx) - Write shell scripts in JavaScript. ### Build tools - [parcel](https://github.com/parcel-bundler/parcel) - Blazing fast, zero config web app bundler. - [webpack](https://github.com/webpack/webpack) - Packs modules and assets for the browser. - [rollup](https://github.com/rollup/rollup) - Next-generation ES2015 module bundler. - [gulp](https://github.com/gulpjs/gulp) - Streaming and fast build system that favors code over config. - [Broccoli](https://github.com/broccolijs/broccoli) - Fast, reliable asset pipeline, supporting constant-time rebuilds and compact build definitions. - [Brunch](https://github.com/brunch/brunch) - Front-end web app build tool with simple declarative config, fast incremental compilation, and an opinionated workflow. - [FuseBox](https://github.com/fuse-box/fuse-box) - Fast build system that combines the power of webpack, JSPM and SystemJS, with first-class TypeScript support. - [pkg](https://github.com/vercel/pkg) - Package your Node.js project into an executable. - [Vite](https://github.com/vitejs/vite) - Front-end build tool with hot module replacement and static asset bundling. ### Hardware - [johnny-five](https://github.com/rwaldron/johnny-five) - Firmata based Arduino Framework. - [serialport](https://github.com/serialport/node-serialport) - Access serial ports for reading and writing. - [usb](https://github.com/node-usb/node-usb) - USB library. - [i2c-bus](https://github.com/fivdi/i2c-bus) - I2C serial bus access. - [onoff](https://github.com/fivdi/onoff) - GPIO access and interrupt detection. - [spi-device](https://github.com/fivdi/spi-device) - SPI serial bus access. - [pigpio](https://github.com/fivdi/pigpio) - Fast GPIO, PWM, servo control, state change notification, and interrupt handling on the Raspberry Pi. - [gps](https://github.com/infusion/GPS.js) - NMEA parser for handling GPS receivers. - [modbus-serial](https://github.com/yaacov/node-modbus-serial) - A pure JavaScript implementation of MODBUS-RTU (serial and TCP). ### Templating - [marko](https://github.com/marko-js/marko) - HTML-based templating engine that compiles templates to CommonJS modules and supports streaming, async rendering and custom tags. - [nunjucks](https://github.com/mozilla/nunjucks) - Templating engine with inheritance, asynchronous control, and more (jinja2 inspired). - [handlebars.js](https://github.com/handlebars-lang/handlebars.js) - Superset of Mustache templates which adds powerful features like helpers and more advanced blocks. - [EJS](https://github.com/mde/ejs) - Simple unopinionated templating language. - [Pug](https://github.com/pugjs/pug) - High-performance template engine heavily influenced by Haml. ### Web frameworks - [Fastify](https://github.com/fastify/fastify) - Fast and low overhead web framework. - [Next.js](https://github.com/vercel/next.js) - Minimalistic framework for server-rendered universal JavaScript web apps. - [Nuxt.js](https://github.com/nuxt/nuxt.js) - Minimalistic framework for server-rendered Vue.js apps. - [Hapi](https://github.com/hapijs/hapi) - Framework for building applications and services. - [Micro](https://github.com/vercel/micro) - Minimalistic microservice framework with an async approach. - [Koa](https://github.com/koajs/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](https://github.com/expressjs/express) - Web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications. - [Feathers](https://github.com/feathersjs/feathers) - Microservice framework built in the spirit of Express. - [LoopBack](https://github.com/loopbackio/loopback-next) - Powerful framework for creating REST APIs and easily connecting to backend data sources. - [Meteor](https://github.com/meteor/meteor) - An ultra-simple, database-everywhere, data-on-the-wire, pure-JavaScript web framework. *(You might like [awesome-meteor](https://github.com/Urigo/awesome-meteor))* - [Restify](https://github.com/restify/node-restify) - Enables you to build correct REST web services. - [ThinkJS](https://github.com/thinkjs/thinkjs) - Framework with ES2015+ support, WebSockets, REST API. - [ActionHero](https://github.com/actionhero/actionhero) - Framework for making reusable & scalable APIs for TCP sockets, WebSockets, and HTTP clients. - [seneca](https://github.com/senecajs/seneca) - Toolkit for writing microservices. - [AdonisJs](https://github.com/adonisjs/core) - A true MVC framework for Node.js built on solid foundations of Dependency Injection and IoC container. - [Moleculer](https://github.com/moleculerjs/moleculer) - Fast & powerful microservices framework. - [Nest](https://github.com/nestjs/nest) - Angular-inspired framework for building efficient and scalable server-side apps. - [TypeGraphQL](https://github.com/MichalLytek/type-graphql) - Modern framework for creating GraphQL APIs with TypeScript, using classes and decorators. - [Tinyhttp](https://github.com/tinyhttp/tinyhttp) - Modern and fast Express-like web framework. - [Marble.js](https://github.com/marblejs/marble) - Functional reactive framework for building server-side apps, based on TypeScript and RxJS. - [Lad](https://github.com/ladjs/lad) - Framework made by a former Express TC and Koa member that bundles web, API, job, and proxy servers. - [Ts.ED](https://github.com/tsedio/tsed) - Intuitive TypeScript framework for building server-side apps on top of Express.js or Koa.js. - [Hono](https://github.com/honojs/hono) - Small and fast web framework. ### Documentation - [documentation.js](https://github.com/documentationjs/documentation) - API documentation generator with support for ES2015+ and flow annotation. - [Docco](https://github.com/jashkenas/docco) - Documentation generator which produces an HTML document that displays your comments intermingled with your code. - [JSDoc](https://github.com/jsdoc/jsdoc) - API documentation generator similar to JavaDoc or PHPDoc. - [Docusaurus](https://github.com/facebook/docusaurus) - Documentation website generator that leverages React and Markdown, and comes with translation and versioning features. ### Filesystem - [del](https://github.com/sindresorhus/del) - Delete files/folders using globs. - [globby](https://github.com/sindresorhus/globby) - Glob files with support for multiple patterns. - [chokidar](https://github.com/paulmillr/chokidar) - Filesystem watcher which stabilizes events from `fs.watch` and `fs.watchFile` as well as using native `fsevents` on macOS. - [find-up](https://github.com/sindresorhus/find-up) - Find a file by walking up parent directories. - [proper-lockfile](https://github.com/moxystudio/node-proper-lockfile) - Inter-process and inter-machine lockfile utility. - [load-json-file](https://github.com/sindresorhus/load-json-file) - Read and parse a JSON file. - [write-json-file](https://github.com/sindresorhus/write-json-file) - Stringify and write JSON to a file atomically. - [fs-write-stream-atomic](https://github.com/npm/fs-write-stream-atomic) - Like `fs.createWriteStream()`, but atomic. - [filenamify](https://github.com/sindresorhus/filenamify) - Convert a string to a valid filename. - [istextorbinary](https://github.com/bevry/istextorbinary) - Check if a file is text or binary. - [fs-jetpack](https://github.com/szwacz/fs-jetpack) - Completely redesigned file system API for convenience in everyday use. - [fs-extra](https://github.com/jprichardson/node-fs-extra) - Extra methods for the `fs` module. - [package-directory](https://github.com/sindresorhus/package-directory) - Find the root directory of an npm package. - [filehound](https://github.com/nspragg/filehound) - Flexible and fluent interface for searching the file system. - [move-file](https://github.com/sindresorhus/move-file) - Move a file, even works across devices. - [tempy](https://github.com/sindresorhus/tempy) - Get a random temporary file or directory path. ### Control flow - Promises - [pify](https://github.com/sindresorhus/pify) - Promisify a callback-style function. - [delay](https://github.com/sindresorhus/delay) - Delay a promise a specified amount of time. - [promise-memoize](https://github.com/nodeca/promise-memoize) - Memoize promise-returning functions, with expire and prefetch. - [valvelet](https://github.com/lpinca/valvelet) - Limit the execution rate of a promise-returning function. - [p-map](https://github.com/sindresorhus/p-map) - Map over promises concurrently. - [More…](https://github.com/sindresorhus/promise-fun) - Observables - [RxJS](https://github.com/ReactiveX/RxJS) - Reactive programming. - [observable-to-promise](https://github.com/sindresorhus/observable-to-promise) - Convert an Observable to a Promise. - [More…](https://github.com/sindresorhus/awesome-observables) - Streams - [Highland.js](https://github.com/caolan/highland) - Manages synchronous and asynchronous code easily, using nothing more than standard JavaScript and Node-like Streams. ### Streams - [get-stream](https://github.com/sindresorhus/get-stream) - Get a stream as a string or buffer. - [from2](https://github.com/hughsk/from2) - Convenience wrapper for ReadableStream, inspired by `through2`. - [into-stream](https://github.com/sindresorhus/into-stream) - Convert a buffer/string/array/object into a stream. - [duplexify](https://github.com/mafintosh/duplexify) - Turn a writeable and readable stream into a single streams2 duplex stream. - [pumpify](https://github.com/mafintosh/pumpify) - Combine an array of streams into a single duplex stream. - [peek-stream](https://github.com/mafintosh/peek-stream) - Transform stream that lets you peek the first line before deciding how to parse it. - [binary-split](https://github.com/maxogden/binary-split) - Newline (or any delimiter) splitter stream. - [byline](https://github.com/jahewson/node-byline) - Super-simple line-by-line Stream reader. - [first-chunk-stream](https://github.com/sindresorhus/first-chunk-stream) - Transform the first chunk in a stream. - [pad-stream](https://github.com/sindresorhus/pad-stream) - Pad each line in a stream. - [multistream](https://github.com/feross/multistream) - Combine multiple streams into a single stream. - [readable-stream](https://github.com/nodejs/readable-stream) - Mirror of Streams2 and Streams3 implementations in core. - [through2-concurrent](https://github.com/almost/through2-concurrent) - Transform object streams concurrently. ### Real-time - [µWebSockets](https://github.com/uNetworking/uWebSockets) - Highly scalable WebSocket server & client library. - [Socket.io](https://github.com/socketio/socket.io) - Enables real-time bidirectional event-based communication. - [Faye](https://github.com/faye/faye) - Real-time client-server message bus, based on Bayeux protocol. - [SocketCluster](https://github.com/SocketCluster/socketcluster) - Scalable HTTP + WebSocket engine which can run on multiple CPU cores. - [Primus](https://github.com/primus/primus) - An abstraction layer for real-time frameworks to prevent module lock-in. - [deepstream.io](https://github.com/deepstreamIO/deepstream.io-client-js) - Scalable real-time microservice framework. - [Kalm](https://github.com/kalm/kalm.js) - Low-level socket router and middleware framework. - [MQTT.js](https://github.com/mqttjs/MQTT.js) - Client for MQTT - Pub-sub based messaging protocol for use on top of TCP/IP. - [rpc-websockets](https://github.com/elpheria/rpc-websockets) - JSON-RPC 2.0 implementation over WebSockets. - [Aedes](https://github.com/moscajs/aedes) - Barebone MQTT server that can run on any stream server. ### Image - [sharp](https://github.com/lovell/sharp) - The fastest module for resizing JPEG, PNG, WebP and TIFF images. - [image-type](https://github.com/sindresorhus/image-type) - Detect the type of an image. - [image-dimensions](https://github.com/sindresorhus/image-dimensions) - Get the dimensions of an image. - [lwip](https://github.com/EyalAr/lwip) - Lightweight image processor which does not require ImageMagick. - [pica](https://github.com/nodeca/pica) - High quality & fast resize (lanczos3) in pure JS. Alternative to canvas drawImage(), when no pixelation allowed. - [jimp](https://github.com/oliver-moran/jimp) - Image processing in pure JavaScript. - [qrcode](https://github.com/soldair/node-qrcode) - QR code and bar code generator. - [ImageScript](https://github.com/matmen/ImageScript) - Image processing in JavaScript, utilizing WebAssembly for performance. ### Text - [iconv-lite](https://github.com/ashtuchkin/iconv-lite) - Convert character encodings. - [string-length](https://github.com/sindresorhus/string-length) - Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes. - [camelcase](https://github.com/sindresorhus/camelcase) - Convert a dash/dot/underscore/space separated string to camelCase: foo-bar → fooBar. - [escape-string-regexp](https://github.com/sindresorhus/escape-string-regexp) - Escape RegExp special characters. - [splice-string](https://github.com/sindresorhus/splice-string) - Remove or replace part of a string like `Array#splice`. - [indent-string](https://github.com/sindresorhus/indent-string) - Indent each line in a string. - [strip-indent](https://github.com/sindresorhus/strip-indent) - Strip leading whitespace from every line in a string. - [detect-indent](https://github.com/sindresorhus/detect-indent) - Detect the indentation of code. - [he](https://github.com/mathiasbynens/he) - HTML entity encoder/decoder. - [i18n-node](https://github.com/mashpie/i18n-node) - Simple translation module with dynamic JSON storage. - [babelfish](https://github.com/nodeca/babelfish) - i18n with very easy syntax for plurals. - [matcher](https://github.com/sindresorhus/matcher) - Simple wildcard matching. - [unhomoglyph](https://github.com/nodeca/unhomoglyph) - Normalize visually similar unicode characters. - [i18next](https://github.com/i18next/i18next) - Internationalization framework. - [nanoid](https://github.com/ai/nanoid) - Tiny, secure, URL-friendly, unique string ID generator. - [StegCloak](https://github.com/kurolabs/stegcloak) - Conceal secrets within strings, in plain sight. ### Number - [random-int](https://github.com/sindresorhus/random-int) - Generate a random integer. - [random-float](https://github.com/sindresorhus/random-float) - Generate a random float. - [unique-random](https://github.com/sindresorhus/unique-random) - Generate random numbers that are consecutively unique. - [round-to](https://github.com/sindresorhus/round-to) - Round a number to a specific number of decimal places: `1.234` → `1.2`. ### Math - [ndarray](https://github.com/scijs/ndarray) - Multidimensional arrays. - [mathjs](https://github.com/josdejong/mathjs) - An extensive math library. - [math-clamp](https://github.com/sindresorhus/math-clamp) - Clamp a number. - [algebra](https://github.com/fibo/algebra) - Algebraic structures. - [multimath](https://github.com/nodeca/multimath) - Core to create fast image math in WebAssembly and JS. ### Date - [Luxon](https://github.com/moment/luxon) - Library for working with dates and times. - [date-fns](https://github.com/date-fns/date-fns) - Modern date utility. - [Day.js](https://github.com/iamkun/dayjs) - Immutable date library alternative to Moment.js. - [dateformat](https://github.com/felixge/node-dateformat) - Date formatting. - [tz-format](https://github.com/samverschueren/tz-format) - Format a date with timezone: `2015-11-30T10:40:35+01:00`. - [cctz](https://github.com/floatdrop/node-cctz) - Fast parsing, formatting, and timezone conversion for dates. ### URL - [normalize-url](https://github.com/sindresorhus/normalize-url) - Normalize a URL. - [humanize-url](https://github.com/sindresorhus/humanize-url) - Humanize a URL: https://sindresorhus.com → sindresorhus.com. - [url-unshort](https://github.com/nodeca/url-unshort) - Expand shortened URLs. - [speakingurl](https://github.com/pid/speakingurl) - Generate a slug from a string with transliteration. - [linkify-it](https://github.com/markdown-it/linkify-it) - Link patterns detector with full unicode support. - [url-pattern](https://github.com/snd/url-pattern) - Easier than regex string matching patterns for URLs and other strings. - [embedza](https://github.com/nodeca/embedza) - Create HTML snippets/embeds from URLs using info from oEmbed, Open Graph, meta tags. ### Data validation - [joi](https://github.com/sideway/joi) - Object schema description language and validator for JavaScript objects. - [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) - JSON Schema validator that uses code generation to be extremely fast. - [property-validator](https://github.com/nettofarah/property-validator) - Easy property validation for Express. - [schema-inspector](https://github.com/schema-inspector/schema-inspector) - JSON API sanitization and validation. - [ajv](https://github.com/ajv-validator/ajv) - The fastest JSON Schema validator. Supports v5, v6 and v7 proposals. - [Superstruct](https://github.com/ianstormtaylor/superstruct) - Simple and composable way to validate data in JavaScript (and TypeScript). - [yup](https://github.com/jquense/yup) - Object schema validation. - [zod](https://github.com/colinhacks/zod) - TypeScript-first schema validation with static type inference. ### Parsing - [remark](https://github.com/remarkjs/remark) - Markdown processor powered by plugins. - [markdown-it](https://github.com/markdown-it/markdown-it) - Markdown parser with 100% CommonMark support, extensions and syntax plugins. - [parse5](https://github.com/inikulin/parse5) - Fast full-featured spec compliant HTML parser. - [@parcel/css](https://github.com/parcel-bundler/parcel-css) - A CSS parser, transformer, and minifier written in Rust. - [strip-json-comments](https://github.com/sindresorhus/strip-json-comments) - Strip comments from JSON. - [strip-css-comments](https://github.com/sindresorhus/strip-css-comments) - Strip comments from CSS. - [parse-json](https://github.com/sindresorhus/parse-json) - Parse JSON with more helpful errors. - [URI.js](https://github.com/medialize/URI.js) - URL mutation. - [JSONStream](https://github.com/dominictarr/JSONStream) - Streaming JSON.parse and stringify. - [neat-csv](https://github.com/sindresorhus/neat-csv) - Fast CSV parser. Callback interface for the above. - [csv-parser](https://github.com/mafintosh/csv-parser) - Streaming CSV parser that aims to be faster than everyone else. - [PEG.js](https://github.com/pegjs/pegjs) - Simple parser generator that produces fast parsers with excellent error reporting. - [x-ray](https://github.com/matthewmueller/x-ray) - Web scraping utility. - [nearley](https://github.com/kach/nearley) - Simple, fast, powerful parsing for JavaScript. - [binary-extract](https://github.com/juliangruber/binary-extract) - Extract a value from a buffer of JSON without parsing the whole thing. - [Stylecow](https://github.com/stylecow/stylecow) - Parse, manipulate and convert modern CSS to make it compatible with all browsers. Extensible with plugins. - [js-yaml](https://github.com/nodeca/js-yaml) - Very fast YAML parser. - [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js) - XML to JavaScript object converter. - [Jison](https://github.com/zaach/jison) - Friendly JavaScript parser generator. It shares genes with Bison, Yacc and family. - [google-libphonenumber](https://github.com/ruimarinho/google-libphonenumber) - Parse, format, store and validate phone numbers. - [ref](https://github.com/TooTallNate/ref) - Read/write structured binary data in Buffers. - [xlsx-populate](https://github.com/dtjohnson/xlsx-populate) - Read/write Excel XLSX. - [Chevrotain](https://github.com/Chevrotain/chevrotain) - Very fast and feature rich parser building toolkit for JavaScript. - [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) - Validate and parse XML. ### Humanize - [pretty-bytes](https://github.com/sindresorhus/pretty-bytes) - Convert bytes to a human readable string: `1337` → `1.34 kB`. - [pretty-ms](https://github.com/sindresorhus/pretty-ms) - Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`. - [ms](https://github.com/vercel/ms) - Tiny millisecond conversion utility. - [pretty-error](https://github.com/AriaMinaei/pretty-error) - Errors with less clutter. - [read-art](https://github.com/Tjatse/node-readability) - Extract readable content from any page. ### Compression - [yazl](https://github.com/thejoshwolfe/yazl) - Zip. - [yauzl](https://github.com/thejoshwolfe/yauzl) - Unzip. - [Archiver](https://github.com/archiverjs/node-archiver) - Streaming interface for archive generation, supporting ZIP and TAR. - [pako](https://github.com/nodeca/pako) - High speed zlib port to pure js (deflate, inflate, gzip). - [tar-stream](https://github.com/mafintosh/tar-stream) - Streaming tar parser and generator. Also see [tar-fs](https://github.com/mafintosh/tar-fs). ### Network - [get-port](https://github.com/sindresorhus/get-port) - Get an available port. - [ipify](https://github.com/sindresorhus/ipify) - Get your public IP address. - [getmac](https://github.com/bevry/getmac) - Get the computer MAC address. - [DHCP](https://github.com/infusion/node-dhcp) - DHCP client and server. - [netcat](https://github.com/roccomuso/netcat) - Netcat port in pure JS. ### Database - Drivers - [PostgreSQL](https://github.com/brianc/node-postgres) - PostgreSQL client. Pure JavaScript and native libpq bindings. - [Redis](https://github.com/luin/ioredis) - Redis client. - [LevelUP](https://github.com/Level/levelup) - LevelDB. - [MySQL](https://github.com/mysqljs/mysql) - MySQL client. - [couchdb-nano](https://github.com/apache/couchdb-nano) - CouchDB client. - [Aerospike](https://github.com/aerospike/aerospike-client-nodejs) - Aerospike client. - [Couchbase](https://github.com/couchbase/couchnode) - Couchbase client. - [MongoDB](https://github.com/mongodb/node-mongodb-native) - MongoDB driver. - ODM / ORM - [Sequelize](https://github.com/sequelize/sequelize) - Multi-dialect ORM. Supports PostgreSQL, SQLite, MySQL, and more. - [Bookshelf](https://github.com/bookshelf/bookshelf) - ORM for PostgreSQL, MySQL and SQLite3 in the style of Backbone.js. - [Mongoose](https://github.com/Automattic/mongoose) - Elegant MongoDB object modeling. - [Waterline](https://github.com/balderdashy/waterline) - Datastore-agnostic tool that dramatically simplifies interaction with one or more databases. - [OpenRecord](https://github.com/PhilWaldmann/openrecord) - ORM for PostgreSQL, MySQL, SQLite3 and RESTful datastores. Similar to ActiveRecord. - [pg-promise](https://github.com/vitaly-t/pg-promise) - PostgreSQL framework for native SQL using promises. - [slonik](https://github.com/gajus/slonik) - PostgreSQL client with strict types, detailed logging and assertions. - [Objection.js](https://github.com/Vincit/objection.js) - Lightweight ORM built on the SQL query builder Knex. - [TypeORM](https://github.com/typeorm/typeorm) - ORM for PostgreSQL, MariaDB, MySQL, SQLite, and more. - [MikroORM](https://github.com/mikro-orm/mikro-orm) - TypeScript ORM based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, PostgreSQL, MySQL and SQLite. - [Prisma](https://github.com/prisma/prisma) - Modern database access (ORM alternative). Auto-generated and type-safe query builder in TypeScript. Supports PostgreSQL, MySQL & SQLite. - [Drizzle ORM](https://github.com/drizzle-team/drizzle-orm) - TypeScript ORM that supports various databases such as PostgreSQL. - Query builder - [Knex](https://github.com/knex/knex) - Query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use. - Other - [NeDB](https://github.com/louischatriot/nedb) - Embedded persistent database written in JavaScript. - [Lowdb](https://github.com/typicode/lowdb) - Small JavaScript database powered by Lodash. - [Keyv](https://github.com/jaredwray/keyv) - Simple key-value storage with support for multiple backends. - [Finale](https://github.com/tommybananas/finale) - RESTful endpoint generator for your Sequelize models. - [database-js](https://github.com/mlaanderson/database-js) - Wrapper for multiple databases with a JDBC-like connection. - [Mongo Seeding](https://github.com/pkosiec/mongo-seeding) - Populate MongoDB databases with JavaScript and JSON files. - [@databases](https://github.com/ForbesLindesay/atdatabases) - Query PostgreSQL, MySQL and SQLite3 with plain SQL without risking SQL injection. - [pg-mem](https://github.com/oguimbal/pg-mem) - In-memory PostgreSQL instance for your tests. ### Testing - [AVA](https://github.com/avajs/ava) - Futuristic test runner. - [Mocha](https://github.com/mochajs/mocha) - Feature-rich test framework making asynchronous testing simple and fun. - [nyc](https://github.com/istanbuljs/nyc) - Code coverage tool built on istanbul that works with subprocesses. - [tap](https://github.com/tapjs/node-tap) - TAP test framework. - [tape](https://github.com/substack/tape) - TAP-producing test harness. - [power-assert](https://github.com/power-assert-js/power-assert) - Provides descriptive assertion messages through the standard assert interface. - [Mochify](https://github.com/mantoni/mochify.js) - TDD with Browserify, Mocha, PhantomJS and WebDriver. - [trevor](https://github.com/vadimdemedes/trevor) - Run tests against multiple versions of Node.js without switching versions manually or pushing to Travis CI. - [loadtest](https://github.com/alexfernandez/loadtest) - Run load tests for your web application, with an API for automation. - [Sinon.JS](https://github.com/sinonjs/sinon) - Test spies, stubs and mocks. - [navit](https://github.com/nodeca/navit) - PhantomJS / SlimerJS wrapper to simplify browser test scripting. - [Nock](https://github.com/nock/nock) - HTTP mocking and expectations. - [intern](https://github.com/theintern/intern) - Code testing stack. - [toxy](https://github.com/h2non/toxy) - Hackable HTTP proxy to simulate failure scenarios and network conditions. - [hook-std](https://github.com/sindresorhus/hook-std) - Hook and modify stdout/stderr. - [testen](https://github.com/egoist/testen) - Run tests for multiple versions of Node.js locally with NVM. - [Nightwatch](https://github.com/nightwatchjs/nightwatch) - Automated UI testing framework based on Selenium WebDriver. - [WebdriverIO](https://github.com/webdriverio/webdriverio) - Automated testing based on the WebDriver protocol. - [Jest](https://github.com/facebook/jest) - Painless JavaScript testing. - [Vitest](https://github.com/vitest-dev/vitest) - Fast unit test framework powered by Vite. - [TestCafe](https://github.com/DevExpress/testcafe) - Automated browser testing. - [abstruse](https://github.com/bleenco/abstruse) - Continuous Integration server. - [CodeceptJS](https://github.com/codeceptjs/CodeceptJS) - End-to-end testing. - [Puppeteer](https://github.com/puppeteer/puppeteer) - Headless Chrome. - [Playwright](https://github.com/microsoft/playwright) - Headless Chromium, WebKit, and Firefox with a single API. - [nve](https://github.com/ehmicky/nve) - Run any command on multiple versions of Node.js locally. - [axe-core](https://github.com/dequelabs/axe-core) - Accessibility engine for automated Web UI testing. - [testcontainers-node](https://github.com/testcontainers/testcontainers-node) - Provides lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container. ### Security - [upash](https://github.com/simonepri/upash) - Unified API for all password hashing algorithms. - [themis](https://github.com/cossacklabs/themis) - Multilanguage framework for making typical encryption schemes easy to use: data at rest, authenticated data exchange, transport protection, authentication, and so on. - [GuardRails](https://github.com/apps/guardrails) - GitHub app that provides security feedback in pull requests. - [rate-limiter-flexible](https://github.com/animir/node-rate-limiter-flexible) - Brute-force and DDoS attack protection. - [crypto-hash](https://github.com/sindresorhus/crypto-hash) - Async non-blocking hashing. - [jose-simple](https://github.com/davesag/jose-simple) - Encryption and decryption of data using the JOSE (JSON Object Signing and Encryption) standard. ### Benchmarking - [Benchmark.js](https://github.com/bestiejs/benchmark.js) - Benchmarking library that supports high-resolution timers and returns statistically significant results. ### Minifiers - [babel-minify](https://github.com/babel/minify) - ES2015+ aware minifier based on the Babel toolchain. - [UglifyJS2](https://github.com/mishoo/UglifyJS) - JavaScript minifier. - [clean-css](https://github.com/clean-css/clean-css) - CSS minifier. - [minimize](https://github.com/Swaagie/minimize) - HTML minifier. - [imagemin](https://github.com/imagemin/imagemin) - Image minifier. ### Authentication - [Passport](https://github.com/jaredhanson/passport) - Simple, unobtrusive authentication. - [Grant](https://github.com/simov/grant) - OAuth providers for Express, Koa, Hapi, Fastify, AWS Lambda, Azure, Google Cloud, Vercel, and many more. ### Authorization - [CASL](https://github.com/stalniy/casl) - Isomorphic authorization for UI and API. - [node-casbin](https://github.com/casbin/node-casbin) - Authorization library that supports access control models like ACL, RBAC and ABAC. ### Email - [Nodemailer](https://github.com/nodemailer/nodemailer) - The fastest way to handle email. - [emailjs](https://github.com/eleith/emailjs) - Send text/HTML emails with attachments to any SMTP server. - [email-templates](https://github.com/forwardemail/email-templates) - Create, preview, and send custom email templates. - [MJML](https://github.com/mjmlio/mjml) - Markup language designed to reduce the pain of creating responsive emails. - [Forward Email](https://github.com/forwardemail/forwardemail.net) - Open-source and self-hostable email service. ### Job queues - [bull](https://github.com/OptimalBits/bull) - Persistent job and message queue. - [agenda](https://github.com/agenda/agenda) - MongoDB-backed job scheduling. - [idoit](https://github.com/nodeca/idoit) - Redis-backed job queue engine with advanced job control. - [node-resque](https://github.com/actionhero/node-resque) - Redis-backed job queue. - [rsmq](https://github.com/smrchy/rsmq) - Redis-backed message queue. - [bee-queue](https://github.com/bee-queue/bee-queue) - High-performance Redis-backed job queue. - [RedisSMQ](https://github.com/weyoss/redis-smq) - Simple high-performance Redis message queue with real-time monitoring. - [sqs-consumer](https://github.com/bbc/sqs-consumer) - Build Amazon Simple Queue Service (SQS) based apps without the boilerplate. - [better-queue](https://github.com/diamondio/better-queue) - Simple and efficient job queue when you cannot use Redis. - [bullmq](https://github.com/taskforcesh/bullmq) - Persistent job and message queue. - [bree](https://github.com/breejs/bree) - Job task scheduler with worker threads, cron, date, and human syntax support. - [graphile-worker](https://github.com/graphile/worker) - High performance PostgreSQL job queue. ### Node.js management - [n](https://github.com/tj/n) - Node.js version management. - [nave](https://github.com/isaacs/nave) - Virtual Environments for Node.js. - [nodeenv](https://github.com/ekalinin/nodeenv) - Node.js virtual environment compatible to Python's virtualenv. - [nvm for Windows](https://github.com/coreybutler/nvm-windows) - Version management for Windows. - [nodenv](https://github.com/nodenv/nodenv) - Version manager that is similar to Ruby's rbenv. It supports auto version switching. - [fnm](https://github.com/Schniz/fnm) - Cross-platform Node.js version manager built in Rust. ### Cross-platform integration - [napi-rs](https://github.com/napi-rs/napi-rs) - Framework for building compiled Node.js add-ons in Rust via Node-API. - [Neon](https://github.com/neon-bindings/neon) - Rust bindings for writing safe and fast native Node.js modules. - [Edge.js](https://github.com/agracio/edge-js) - Run .NET and Node.js code in the same process on Windows, macOS, and Linux. - [DotNetJS](https://github.com/Elringus/DotNetJS) - Consume .NET libraries in Node.js using this .NET interoperability layer. ### Natural language processing - [retext](https://github.com/retextjs/retext) - An extensible natural language system. - [franc](https://github.com/wooorm/franc) - Detect the language of text. - [leven](https://github.com/sindresorhus/leven) - Measure the difference between two strings using the Levenshtein distance algorithm. - [natural](https://github.com/NaturalNode/natural) - Natural language facility. - [nlp.js](https://github.com/axa-group/nlp.js) - Building bots, with entity extraction, sentiment analysis, automatic language identification, and more. ### Process management - [PM2](https://github.com/Unitech/pm2) - Advanced Process Manager. - [nodemon](https://github.com/remy/nodemon) - Monitor for changes in your app and automatically restart the server. - [node-mac](https://github.com/coreybutler/node-mac) - Run scripts as a native Mac daemon and log to the console app. - [node-linux](https://github.com/coreybutler/node-linux) - Run scripts as native system service and log to syslog. - [node-windows](https://github.com/coreybutler/node-windows) - Run scripts as a native Windows service and log to the Event viewer. - [supervisor](https://github.com/petruisfan/node-supervisor) - Restart scripts when they crash or restart when a `*.js` file changes. - [Phusion Passenger](https://github.com/phusion/passenger) - Friendly process manager that integrates directly into Nginx. ### Automation - [robotjs](https://github.com/octalmage/robotjs) - Desktop Automation: control the mouse, keyboard and read the screen. - [nut.js](https://github.com/nut-tree/nut.js) - Cross-platform native GUI automation / testing framework with image matching capabilities which integrates with Jest. ### AST - [Acorn](https://github.com/acornjs/acorn) - Tiny, fast JavaScript parser. - [babel-parser](https://github.com/babel/babel/tree/master/packages/babel-parser) - JavaScript parser used in Babel. ### Static site generators - [DocPad](https://github.com/docpad/docpad) - Static site generator with dynamic abilities and huge plugin ecosystem. - [docsify](https://github.com/docsifyjs/docsify) - Markdown documentation site generator with no statically built HTML files. - [Charge](https://github.com/brandonweiss/charge) - Opinionated, zero-config static site generator using JSX and MDX. ### Content management systems - [KeystoneJS](https://github.com/keystonejs/keystone) - CMS and web application platform built on Express and MongoDB. - [ApostropheCMS](https://github.com/apostrophecms/apostrophe) - Content management system with an emphasis on intuitive front end content editing and administration built on Express and MongoDB. - [Strapi](https://github.com/strapi/strapi) - Content Management Framework (headless-CMS) to build powerful APIs. - [Factor](https://github.com/FactorJS/factor) - Vue.js dashboard framework and headless CMS. - [AdminBro](https://github.com/SoftwareBrothers/adminjs) - Auto-generated admin panel with CRUD for all your resources. - [Graphweaver](https://github.com/exogee-technology/graphweaver) - CMS and headless GraphQL API. ### Forum - [nodeBB](https://github.com/NodeBB/NodeBB) - Forum platform for the modern web. ### Blogging - [Ghost](https://github.com/TryGhost/Ghost) - Simple, powerful publishing platform. - [Hexo](https://github.com/hexojs/hexo) - Fast, simple and powerful blogging framework. ### Weird - [cows](https://github.com/sindresorhus/cows) - ASCII cows. - [superb](https://github.com/sindresorhus/superb) - Get superb like words. - [cat-names](https://github.com/sindresorhus/cat-names) - Get popular cat names. - [dog-names](https://github.com/sindresorhus/dog-names) - Get popular dog names. - [superheroes](https://github.com/sindresorhus/superheroes) - Get superhero names. - [supervillains](https://github.com/sindresorhus/supervillains) - Get supervillain names. - [cool-ascii-faces](https://github.com/maxogden/cool-ascii-faces) - Get some cool ascii faces. - [cat-ascii-faces](https://github.com/melaniecebula/cat-ascii-faces) - `₍˄·͈༝·͈˄₎◞ ̑̑ෆ⃛ (=ↀωↀ=)✧ (^･o･^)ﾉ”`. - [nerds](https://github.com/SkyHacks/nerds) - Get data from nerdy topics like Harry Potter, Star Wars, and Pokémon. ### Serialization - [snappy](https://github.com/kesla/node-snappy) - Native bindings for Google's Snappy compression library. - [protobuf](https://github.com/protobufjs/protobuf.js) - Implementation of Protocol Buffers. - [compactr](https://github.com/compactr/compactr.js) - Implementation of the Compactr protocol. ### Miscellaneous - [execa](https://github.com/sindresorhus/execa) - Better `child_process`. - [cheerio](https://github.com/cheeriojs/cheerio) - Fast, flexible, and lean implementation of core jQuery designed specifically for the server. - [open](https://github.com/sindresorhus/open) - Opens stuff like websites, files, executables. - [hasha](https://github.com/sindresorhus/hasha) - Hashing made simple. Get the hash of a buffer/string/stream/file. - [dot-prop](https://github.com/sindresorhus/dot-prop) - Get a property from a nested object using a dot path. - [onetime](https://github.com/sindresorhus/onetime) - Only run a function once. - [mem](https://github.com/sindresorhus/mem) - Memoize functions - an optimization technique used to speed up consecutive function calls by caching the result of calls with identical input. - [strip-bom](https://github.com/sindresorhus/strip-bom) - Strip UTF-8 byte order mark (BOM) from a string/buffer/stream. - [os-locale](https://github.com/sindresorhus/os-locale) - Get the system locale. - [ssh2](https://github.com/mscdex/ssh2) - SSH2 client and server module. - [adit](https://github.com/markelog/adit) - SSH tunneling made simple. - [file-type](https://github.com/sindresorhus/file-type) - Detect the file type of a Buffer. - [Bottleneck](https://github.com/SGrondin/bottleneck) - Rate limiter that makes throttling easy. - [webworker-threads](https://github.com/audreyt/node-webworker-threads) - Lightweight Web Worker API implementation with native threads. - [clipboardy](https://github.com/sindresorhus/clipboardy) - Access the system clipboard (copy/paste). - [node-pre-gyp](https://github.com/mapbox/node-pre-gyp) - Makes it easy to publish and install Node.js C++ addons from binaries. - [opencv](https://github.com/peterbraden/node-opencv) - Bindings for OpenCV. The defacto computer vision library. - [dotenv](https://github.com/motdotla/dotenv) - Load environment variables from .env file. - [semver](https://github.com/npm/node-semver) - Semantic version parser. - [nodegit](https://github.com/nodegit/nodegit) - Native bindings to Git. - [json-strictify](https://github.com/pigulla/json-strictify) - Safely serialize a value to JSON without data loss or going into an infinite loop. - [jsdom](https://github.com/jsdom/jsdom) - JavaScript implementation of HTML and the DOM. - [@sindresorhus/is](https://github.com/sindresorhus/is) - Type check values. - [env-dot-prop](https://github.com/simonepri/env-dot-prop) - Get, set, or delete nested properties of process.env using a dot path. - [node-video-lib](https://github.com/gkozlenko/node-video-lib) - Pure JavaScript library for working with MP4 and FLV video files and creating MPEG-TS chunks for HLS streaming. - [basic-ftp](https://github.com/patrickjuchli/basic-ftp) - FTP/FTPS client. - [cashify](https://github.com/xxczaki/cashify) - Currency conversion. - [genepi](https://github.com/Geode-solutions/genepi) - Automatically generate a native Node.js addon from C++ code. - [husky](https://github.com/typicode/husky) - Create Git hook scripts. - [patch-package](https://github.com/ds300/patch-package) - Make and preserve fixes to npm dependencies. - [editly](https://github.com/mifi/editly) - Declarative video editing API. - [wild-wild-path](https://github.com/ehmicky/wild-wild-path) - Object property paths with wildcards and regexes. - [uint8array-extras](https://github.com/sindresorhus/uint8array-extras) - Useful utilities for working with Uint8Array and Buffer. ## Package Manager - [npm](https://docs.npmjs.com/about-npm) - The default package manager. - [pnpm](https://pnpm.io) - Disk space efficient package manager. - [yarn](https://yarnpkg.com) - Alternative package manager. - [bun](https://bun.sh) - All-in-one toolkit for JavaScript and TypeScript apps. ## Resources ### Tutorials - [Node.js Best Practices](https://github.com/goldbergyoni/nodebestpractices) - Summary and curation of the top-ranked content on Node.js best practices, available in multiple languages. - [Nodeschool](https://github.com/nodeschool) - Learn Node.js with interactive lessons. - [The Art of Node](https://github.com/maxogden/art-of-node/#the-art-of-node) - An introduction to Node.js. - [module-best-practices](https://github.com/mattdesl/module-best-practices) - Some good practices when writing new npm modules. - [The Node Way](https://github.com/FredKSchott/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](https://github.com/azat-co/you-dont-know-node) - Introduction to Node.js core features and asynchronous JavaScript. - [Portable Node.js guide](https://github.com/ehmicky/cross-platform-node-guide) - Practical guide on how to write portable/cross-platform Node.js code. - [Build a real web app with no frameworks](https://frameworkless.js.org/course) - 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](https://npms.io) - Superb package search with deep analysis of package quality using a [myriad of metrics](https://npms.io/about). - [npm addict](https://npmaddict.com) - Your daily injection of npm packages. ### Articles - [Error Handling in Node.js](https://sematext.com/blog/node-js-error-handling/) - [Teach Yourself Node.js in 10 Steps](https://ponyfoo.com/articles/teach-yourself-nodejs-in-10-steps) - [Mastering the filesystem in Node.js](https://medium.com/@yoshuawuyts/mastering-the-filesystem-in-node-js-4706b7cb0801) - [Semver: A Primer](https://nodesource.com/blog/semver-a-primer/) - [Semver: Tilde and Caret](https://nodesource.com/blog/semver-tilde-and-caret/) - [Why Asynchronous?](https://nodesource.com/blog/why-asynchronous/) - [Understanding the Node.js Event Loop](https://nodesource.com/blog/understanding-the-nodejs-event-loop/) - [Understanding Object Streams](https://nodesource.com/blog/understanding-object-streams/) - [Using Express to Quickly Build a GraphQL Server](https://snipcart.com/blog/graphql-nodejs-express-tutorial) ### Newsletters - [Node Weekly](https://nodeweekly.com) - Weekly e-mail round-up of Node.js news and articles. ### Videos - [Introduction to Node.js with Ryan Dahl](https://www.youtube.com/watch?v=jo_B4LTHi3I) - [Hands on with Node.js](https://learn.bevry.me/hands-on-with-node.js/preface) - [V8 Garbage Collector](https://v8.dev/blog/trash-talk) - Trash talk about the V8 garbage collector. - [10 Things I Regret About Node.js by Ryan Dahl](https://www.youtube.com/watch?v=M3BM9TB-8yA) - Insightful talk by the creator of Node.js about some of its limitations. - [Mastering REST APIs in Node.js: Zero-To-Hero](https://www.manning.com/livevideo/mastering-rest-apis-in-nodejs) - Video course on how to make REST APIs using Node.js. - [Make a vanilla Node.js REST API](https://www.youtube.com/watch?v=_1xa8Bsho6A) - Building a REST API without using a framework like Express. - [Google I/O 2009 - V8: High Performance JavaScript Engine](https://www.youtube.com/watch?v=FrufJFBSoQY) - The basics of V8 architecture and how it optimizes JavaScript execution. - [Google I/O 2012 - Breaking the JavaScript Speed Limit with V8](https://www.youtube.com/watch?v=UJPdhx5zTaw) - How V8 optimizes JavaScript execution. - [Google I/O 2013 - Accelerating Oz with V8: Follow the Yellow Brick Road to JavaScript Performance](https://www.youtube.com/watch?v=VhpdsjBUS3g) - How to detect app bottlenecks and optimize performance with V8 knowledge. - [Node.js Internal Architecture | Ignition, Turbofan, Libuv](https://www.youtube.com/watch?v=OCjvhCFFPTw) - How Node.js works internally, with a focus on V8 and libuv. - [Introduction to libuv: What's a Unicorn Velociraptor?](https://www.youtube.com/watch?v=_c51fcXRLGw) - `libuv` architecture, thread pool, and event loop, with its source code. - [libuv Cross platform asynchronous i/o](https://www.youtube.com/watch?v=kCJ3PFU8Ke8) - `libuv` architecture in detail, such as where it's actually using threads. - [You Don't Know Node - ForwardJS San Francisco](https://www.youtube.com/watch?v=oPo4EQmkjvY) - Explaining Node.js internals with quizzes about V8, libuv, event loop, module, stream, and cluster. ### Books - [Node.js in Action](https://www.manning.com/books/node-js-in-action-second-edition) - [Node.js in Practice](https://www.amazon.com/Node-js-Practice-Alex-R-Young/dp/1617290939) - [Mastering Node](https://visionmedia.github.io/masteringnode/) - [Node.js 8 the Right Way](https://pragprog.com/book/jwnode2/node-js-8-the-right-way/) - [Professional Node.js: Building JavaScript Based Scalable Software](https://www.amazon.com/Professional-Node-js-Building-JavaScript-Scalable-ebook/dp/B009L7QETY/) - [Secure Your Node.js Web Application](https://www.amazon.com/Secure-Your-Node-js-Web-Application/dp/1680500856) - [Express in Action](https://www.manning.com/books/express-in-action) - [Practical Modern JavaScript](https://www.amazon.com/Practical-Modern-JavaScript-Dive-Future/dp/149194353X) - [Mastering Modular JavaScript](https://www.amazon.com/Mastering-Modular-JavaScript-Nicolas-Bevacqua/dp/1491955686/) - [Get Programming with Node.js](https://www.manning.com/books/get-programming-with-node-js) - [Node.js Cookbook](https://www.amazon.com/dp/1838558756) - [Node.js Design Patterns](https://www.nodejsdesignpatterns.com) ### Blogs - [Node.js blog](https://nodejs.org/en/blog/) - [webapplog.com](https://webapplog.com/tag/node-js/) - 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](https://learnnode.com/friend/AWESOME) - Video course by Wes Bos. - [Real Time Web with Node.js](https://www.pluralsight.com/courses/code-school-real-time-web-with-nodejs) - [Learn and Understand Node.js](https://www.udemy.com/course/understand-nodejs/) - [Node.js Full Stack Developer Course](https://kinsta.com/academy/course/node-js-full-stack-developer/) ### Cheatsheets - [Express.js](https://github.com/azat-co/cheatsheets/tree/master/express4) - [Stream FAQs](https://github.com/stephenplusplus/stream-faqs) - Answering common questions about streams, covering pagination, events, and more. - [Strong Node.js](https://github.com/jesusprubio/strong-node) - Checklist for source code security analysis of a Node.js web service. ### Tools - [OctoLinker](https://chrome.google.com/webstore/detail/octolinker/jlmafbaeoofdegohdhinkhilhclaklkp) - Chrome extension that linkifies dependencies in package.json, .js, .jsx, .coffee and .md files on GitHub. - [npm-hub](https://chrome.google.com/webstore/detail/npmhub/kbbbjimdjbjclaebffknlabpogocablj) - Chrome extension to display npm dependencies at the bottom of a repo's readme. - [RunKit](https://runkit.com) - Embed a Node.js environment on any website. - [github-npm-stats](https://chrome.google.com/webstore/detail/github-npm-stats/oomfflokggoffaiagenekchfnpighcef) - Chrome extension that displays npm download stats on GitHub. - [npm semver calculator](https://semver.npmjs.com) - Visually explore what versions of a package a semver range matches. - [CodeSandbox](https://codesandbox.io/templates/node-http-server) - Online IDE and prototyping. - [Amplication](https://github.com/amplication/amplication) - Auto-generates fully functional apps. - [RunJS](https://runjs.app) - Desktop JavaScript playground. ### Community - [Stack Overflow](https://stackoverflow.com/questions/tagged/node.js) - [Reddit](https://www.reddit.com/r/node) - [Twitter](https://twitter.com/nodejs) - [Hashnode](https://hashnode.com/n/nodejs) - [Discord](https://discord.com/invite/96WGtJt) ### Miscellaneous - [nodebots](https://nodebots.io) - Robots powered by JavaScript. - [node-module-boilerplate](https://github.com/sindresorhus/node-module-boilerplate) - Boilerplate to kickstart creating a node module. - [modern-node](https://github.com/sheerun/modern-node) - Toolkit for creating node modules with Jest, Prettier, ESLint, and Standard. - [generator-nm](https://github.com/sindresorhus/generator-nm) - Scaffold out a node module. - [Microsoft Node.js Guidelines](https://github.com/Microsoft/nodejs-guidelines) - Tips, tricks, and resources for working with Node.js on Microsoft platforms. - [Module Requests & Ideas](https://github.com/sindresorhus/project-ideas) - Request a JavaScript module you wish existed or get ideas for modules. - [v8-perf](https://github.com/thlorenz/v8-perf) - Notes and resources related to V8 and thus Node.js performance. ## Related lists - [awesome-npm](https://github.com/sindresorhus/awesome-npm) - Resources and tips for using npm. - [awesome-cross-platform-nodejs](https://github.com/bcoe/awesome-cross-platform-nodejs) - Resources for writing and testing cross-platform code.