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NodeJS

Contents

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

Official

Packages

Mad science

  • ​webtorrent - Streaming torrent client for Node.js and the browser.
  • ​peerflix - Streaming torrent client.
  • ​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.

HTTP

  • ​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.

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.

Logging

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

Hardware

  • ​johnny-five - Firmata based Arduino Framework.
  • ​serialport - Access serial ports for reading and writing.
  • ​usb - USB library.
  • ​i2c-bus - I2C serial bus access.
  • ​onoff - GPIO access and interrupt detection.
  • ​spi-device - SPI serial bus access.
  • ​pigpio - Fast GPIO, PWM, servo control, state change notification, and interrupt handling on the Raspberry Pi.
  • ​gps - NMEA parser for handling GPS receivers.

Templating

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

Web frameworks

  • ​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.
  • ​Zeronode - Minimal building block for reliable and fault-tolerant microservices.
  • ​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.

Documentation

  • ​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.

Filesystem

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

Streams

  • ​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.

Real-time

  • ​µWebSockets - Highly scalable WebSocket server & client library.
  • ​Socket.io - Enables real-time bidirectional event-based communication.
  • ​Faye - Real-time client-server message bus, based on Bayeux protocol.
  • ​SocketCluster - Scalable HTTP + WebSocket engine which can run on multiple CPU cores.
  • ​Primus - An abstraction layer for real-time frameworks to prevent module lock-in.
  • ​deepstream.io - Scalable real-time microservice framework.
  • ​Kalm - Low-level socket router and middleware framework.
  • ​MQTT.js - Client for MQTT - Pub-sub based messaging protocol for use on top of TCP/IP.
  • ​rpc-websockets - JSON-RPC 2.0 implementation over WebSockets.
  • ​Aedes - Barebone MQTT server that can run on any stream server.

Image

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

Text

  • ​iconv-lite - Convert character encodings.
  • ​string-length - Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes.
  • ​camelcase - Convert a dash/dot/underscore/space separated string to camelCase: foo-bar → fooBar.
  • ​escape-string-regexp - Escape RegExp special characters.
  • ​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.

Number

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

Math

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

Date

  • ​Luxon - Library for working with dates and times.
  • ​date-fns - Modern date utility.
  • ​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.

URL

Data validation

  • ​joi - Object schema description language and validator for JavaScript objects.
  • ​is-my-json-valid - JSON Schema validator that uses code generation to be extremely fast.
  • ​property-validator - Easy property validation for Express.
  • ​schema-inspector - JSON API sanitization and validation.
  • ​ajv - The fastest JSON Schema validator. Supports v5, v6 and v7 proposals.
  • ​Superstruct - Simple and composable way to validate data in JavaScript (and TypeScript).

Parsing

  • ​remark - Markdown processor powered by plugins.
  • ​markdown-it - Markdown parser with 100% CommonMark support, extensions and syntax plugins.
  • ​parse5 - Fast full-featured spec compliant HTML parser.
  • ​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.

Humanize

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

Compression

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

Network

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

Database

  • Drivers
  • ODM / ORM
    • ​Sequelize - Multi-dialect ORM. Supports PostgreSQL, SQLite, MySQL, and more.
    • ​Bookshelf - ORM for PostgreSQL, MySQL and SQLite3 in the style of Backbone.js.
    • ​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.

Testing

  • ​AVA - Futuristic test runner.
  • ​Mocha - Feature-rich test framework making asynchronous testing simple and fun.
  • ​nyc - Code coverage tool built on istanbul that works with subprocesses.
  • ​tap - TAP test framework.
  • ​tape - TAP-producing test harness.
  • ​power-assert - Provides descriptive assertion messages through the standard assert interface.
  • ​Mochify - TDD with Browserify, Mocha, PhantomJS and WebDriver.
  • ​trevor - Run tests against multiple versions of Node.js without switching versions manually or pushing to Travis CI.
  • ​loadtest - Run load tests for your web application, with an API for automation.
  • ​Sinon.JS - Test spies, stubs and mocks.
  • ​navit - PhantomJS / SlimerJS wrapper to simplify browser test scripting.
  • ​Nock - HTTP mocking and expectations.
  • ​intern - Code testing stack.
  • ​toxy - Hackable HTTP proxy to simulate failure scenarios and network conditions.
  • ​hook-std - Hook and modify stdout/stderr.
  • ​testen - Run tests for multiple versions of Node.js locally with NVM.
  • ​Nightwatch - Automated UI testing framework based on Selenium WebDriver.
  • ​WebdriverIO - Automated testing based on the WebDriver protocol.
  • ​Jest - Painless JavaScript testing.
  • ​TestCafe - Automated browser testing.
  • ​abstruse - Continuous Integration server.
  • ​CodeceptJS - End-to-end testing.
  • ​Puppeteer - Headless Chrome.
  • ​Playwright - Headless Chromium, WebKit, and Firefox with a single API.
  • ​nve - Run any command on multiple versions of Node.js locally.
  • ​axe-core - Accessibility engine for automated Web UI testing.
  • ​testcontainers-node - Provides lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Security

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

Benchmarking

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

Minifiers

Authentication

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

Authorization

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

Email

  • ​Nodemailer - The fastest way to handle email.
  • ​emailjs - Send text/HTML emails with attachments to any SMTP server.
  • ​email-templates - Create, preview, and send custom email templates.
  • ​MJML - Markup language designed to reduce the pain of creating responsive emails.

Job queues

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

Node.js management

  • ​n - Node.js version management.
  • ​nave - Virtual Environments for Node.js.
  • ​nodeenv - Node.js virtual environment compatible to Python's virtualenv.
  • ​nvm for Windows - Version management for Windows.
  • ​nodenv - Version manager that is similar to Ruby's rbenv. It supports auto version switching.
  • ​fnm - Cross-platform Node.js version manager built in Rust.

Natural language processing

  • ​retext - An extensible natural language system.
  • ​franc - Detect the language of text.
  • ​leven - Measure the difference between two strings using the Levenshtein distance algorithm.
  • ​natural - Natural language facility.
  • ​nlp.js - Building bots, with entity extraction, sentiment analysis, automatic language identify, and more.

Process management

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

Automation

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

AST

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

Forum

  • ​nodeBB - Forum platform for the modern web.

Blogging

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

Weird

Serialization

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

Miscellaneous

  • ​execa - Better child_process.
  • ​cheerio - Fast, flexible, and lean implementation of core jQuery designed specifically for the server.
  • ​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.

Resources

Tutorials

  • ​Node.js Best Practices - Summary and curation of the top-ranked content on Node.js best practices, available in multiple languages.
  • ​Nodeschool - Learn Node.js with interactive lessons.
  • ​The Art of Node - An introduction to Node.js.
  • ​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.

Discovery

Articles

Newsletters

Videos

Books

Blogs

  • ​Node.js blog​
  • ​webapplog.com - Blog posts on Node.js and JavaScript from the author of Practical Node.js and Pro Express.js Azat Mardan.

Courses

Cheatsheets

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

Tools

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

Community

Miscellaneous

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