Packages

• Debugging / Profiling

  • stackman - square)]() | Enhance an error stacktrace with code excerpts and other goodies. |
  • TraceGL - square)]() | Transforms your JavaScript, injecting monitoring code that produces a log of everything that happens. |
  • locus - square)]() | Starts a REPL at runtime that has access to all variables. |
  • bugger - square)]() | Provides Chrome Devtools bindings to debug programs in Chrome. |
  • 0x - square)]() | Flamegraph profiling. |
  • ctrace - stack/ctrace .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Well-formatted and improved trace system calls and signals. |

• Discovery

  • node-modules.com
  • node-modules.com
  • npmcompare.com

• Documentation

  • JSDoc
  • YUIDoc
  • ESDoc
  • dox - square)]() | JavaScript documentation generator using Markdown and JSDoc. |
  • jsdox - square)]() | JSDoc3 to Markdown documentation generator. |
  • apiDoc - square)]() | Inline documentation for RESTful web APIs. |

• Email

  • Nodemailer - square)]() | The fastest way to handle email. |
  • emailjs - square)]() | Send text/HTML emails with attachments to any SMTP server. |

• Filesystem

  • cpy - square)]() | Copy files. |
  • rimraf - square)]() | Recursively delete files like <code>rm -rf</code>. |
  • graceful-fs - graceful-fs .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Drop-in replacement for the <code>fs</code> module with various improvements. |
  • chokidar - square)]() | Filesystem watcher which stabilizes events from <code>fs.watch</code> and <code>fs.watchFile</code> as well as using native <code>fsevents</code> on macOS. |
  • fs-extra - fs-extra .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Extra methods for the <code>fs</code> module. |
  • del - square)]() | Delete files/folders using globs. |
  • globby - square)]() | Glob files with support for multiple patterns. |
  • mkdirp - mkdirp .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Recursively create directories like <code>mkdir -p</code>. |
  • find-up - up .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Find a file by walking up parent directories. |
  • load-json-file - json-file .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Read and parse a JSON file. |
  • write-json-file - json-file .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Stringify and write JSON to a file atomically. |
  • fs-write-stream-atomic - write-stream-atomic .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Like <code>fs.createWriteStream()</code>, but atomic. |
  • filenamify - square)]() | Convert a string to a valid filename. |
  • lnfs - square)]() | Force create symlinks like <code>ln -fs</code>. |
  • istextorbinary - square)]() | Check if a file is text or binary. |
  • fs-jetpack - jetpack .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Completely redesigned file system API for convenience in everyday use. |
  • pkg-dir - dir .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Find the root directory of an npm package. |
  • sander - harris/sander .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Promise-based replacement for the <code>fs</code> module. |

• Forum

  • nodeBB

• Functional programming

  • mori
  • Folktale
  • underscore-contrib
  • Mout
  • Lazy.js - square)]() | Utility library similar to lodash/Underscore but with lazy evaluation, which can translate to superior performance in many cases. |
  • Kefir.js - square)]() | Reactive library with focus on high performance and low memory usage. |
  • immutable - js .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Immutable data collections. |
  • lodash
  • Bacon.js

• Hardware

  • johnny-five - five .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Firmata based Arduino Framework. |
  • usb - usb .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | USB library. |
  • cylon.js
  • i2c-bus - bus .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | I2C serial bus access. |
  • serialport - serialport .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Access serial ports for reading and writing. |

• HTTP

  • got - square)]() | A nicer interface to the built-in <code>http</code> module. |
  • gh-got - got .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Convenience wrapper for <code>got</code> to interact with the GitHub API. |
  • request - square)]() | Simplified HTTP request client. |
  • wreck - square)]() | HTTP Client Utilities. |
  • download - square)]() | Download and extract files effortlessly. |
  • http-proxy - http-proxy .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | A full-featured HTTP proxy. |
  • rocky - square)]() | Featured, middleware-oriented HTTP proxy with traffic replay and intercept. |
  • superagent - square)]() | A small progressive HTTP request library. |
  • node-fetch - fetch .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | <code>window.fetch</code> for Node.js. |
  • hyperquest - square)]() | Streaming HTTP requests. |
  • axios - square)]() | Promise based HTTP client (works in the browser too). |

• Humanize

  • pretty-bytes - bytes .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Convert bytes to a human readable string: <code>1337</code> &#x2192; <code>1.34 kB</code>. |
  • pretty-ms - ms .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Convert milliseconds to a human readable string: <code>1337000000</code> &#x2192; <code>15d 11h 23m 20s</code>. |
  • pretty-error - error .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Errors with less clutter. |
  • humanize - square)]() | Data formatter for human readability. |
  • read-art - readability .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Extract readable content from any page. |
  • ms - square)]() | Tiny millisecond conversion utility. |

• Image

  • sharp - square)]() | The fastest module for resizing JPEG, PNG, WebP and TIFF images. |
  • image-type - type .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Detect the image type of a Buffer/Uint8Array. |
  • gm - square)]() | GraphicsMagick and ImageMagick wrapper. |
  • lwip - square)]() | Lightweight image processor which does not require ImageMagick. |
  • pica - square)]() | High quality &amp; fast resize (lanczos3) in pure JS. Alternative to canvas drawImage(), when no pixelation allowed. |
  • jimp - moran/jimp .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Image processing in pure JavaScript. |
  • is-progressive - progressive .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Check if a JPEG image is progressive. |
  • probe-image-size - image-size .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Get the size of most image formats without a full download. |

• Job queues

  • kue - square)]() | Priority job queue backed by Redis. |
  • bull - square)]() | Persistent job and message queue. |

• Logging

  • winston - square)]() | A multi-transport async logging library. |
  • Bunyan - bunyan .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | A simple and fast JSON logging library. |
  • console-log-level - log-level .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | The most simple logger imaginable with support for log levels and custom prefixes. |
  • storyboard - square)]() | End-to-end, hierarchical, real-time, colorful logs and stories. |

• Mad science

  • GitTorrent - square)]() | Peer-to-peer network of Git repositories being shared over BitTorrent. |
  • peerflix - square)]() | Streaming torrent client. |
  • dat - time replication and versioning for data sets. |
  • ipfs - ipfs .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Distributed file system that seeks to connect all computing devices with the same system of files. |
  • peerwiki - square)]() | All of Wikipedia on BitTorrent. |
  • peercast - square)]() | Stream a torrent video to Chromecast. |
  • turf - square)]() | Modular geospatial processing and analysis engine. |
  • webcat - square)]() | p2p pipe across the web using WebRTC that uses your GitHub private/public key for authentication. |
  • js-git - git .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | JavaScript implementation of Git. |
  • limdu - square)]() | Machine-learning framework. |
  • kad - square)]() | Kademlia distributed hash table. |
  • BitcoinJS
  • Bitcore
  • PDFKit
  • NodeOS

• Math

  • ndarray - square)]() | Multidimensional arrays. |
  • mathjs - square)]() | An extensive math library. |
  • math-sum - sum .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Sum numbers. |
  • math-clamp - clamp .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Clamp a number. |
  • algebra - square)]() | Algebraic structures. |

• Minifiers

  • clean-css - css .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | CSS minifier. |
  • minimize - square)]() | HTML minifier. |
  • imagemin - square)]() | Image minifier. |
  • UglifyJS2

• Miscellaneous

  • execa - square)]() | A better <code>child_process</code>. |
  • banshee - square)]() | Real-time anomalies detection for periodic time series. |
  • awesome-cross-platform-nodejs - cross-platform-nodejs .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Resources for writing and testing cross-platform code. |
  • cheerio - square)]() | Fast, flexible, and lean implementation of core jQuery designed specifically for the server. |
  • Electron - square)]() | Build cross platform desktop apps with web technologies. <em>(You might like <a href="https://github.com/sindresorhus/awesome-electron">awesome-electron</a>)</em> |
  • hasha - square)]() | Hashing made simple. Get the hash of a buffer/string/stream/file. |
  • dot-prop - prop .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Get a property from a nested object using a dot path. |
  • onetime - square)]() | Only run a function once. |
  • mem - square)]() | Memoize functions - an optimization technique used to speed up consecutive function calls by caching the result of calls with identical input. |
  • strip-bom - bom .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Strip UTF-8 byte order mark (BOM) from a string/buffer/stream. |
  • deep-assign - assign .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Recursive <code>Object.assign()</code>. |
  • os-locale - locale .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Get the system locale. |
  • nan - square)]() | A header file filled with macro and utility goodness for making add-on development for across Node.js versions easier. |
  • multiline - square)]() | Multiline strings in JavaScript. |
  • ssh2 - square)]() | An SSH2 client and server module. |
  • adit - square)]() | SSH tunneling made simple. |
  • file-type - type .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Detect the file type of a Buffer. |
  • Bottleneck - square)]() | A powerful rate limiter that makes throttling easy. |
  • webworker-threads - webworker-threads .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Lightweight Web Worker API implementation with native threads. |
  • node-pre-gyp - pre-gyp .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Makes it easy to publish and install Node.js C++ addons from binaries. |
  • opencv - opencv .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Bindings for OpenCV. The defacto computer vision library. |
  • common-errors - common-errors .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Common error classes and utility functions. |
  • dotenv - square)]() | Load environment variables from .env file. |
  • remote-git-tags - git-tags .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Get tags from a remote git repo. |
  • semver - semver .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | <a href="http://semver.org">semver</a> parser. |
  • nar - square)]() | Create self-contained executable binaries. |
  • Faker.js - square)]() | Generate massive amounts of fake data. |
  • nodegit - square)]() | Native bindings to Git. |
  • json-strictify - strictify .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Safely serialize a value to JSON without data loss or going into an infinite loop. |
  • parent-module - module .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Get the path of the parent module. |
  • resolve-from - from .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Resolve the path of a module like <code>require.resolve()</code> but from a given path. |
  • simplecrawler - simplecrawler .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Event driven web crawler. |
  • hypernova - square)]() | A service for server-side rendering your JavaScript views. |
  • node-module-boilerplate - module-boilerplate .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Boilerplate to kickstart creating a node module. |
  • generator-nm - nm .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Scaffold out a node module. |
  • opn - square)]() | Opens stuff like websites, files, executables. |
  • jsdom - square)]() | JavaScript implementation of HTML and the DOM. |
  • stringify-object - object .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Stringify an object/array like JSON.stringify just without all the double-quotes. |
  • require-uncached - uncached .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Require a module bypassing the cache. |
  • lazy-req - req .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Require modules lazily. |
  • agenda - square)]() | Lightweight job scheduling on MongoDB. |

• Natural language processing

  • franc - square)]() | Detect the language of text. |
  • leven - square)]() | Measure the difference between two strings using the Levenshtein distance algorithm. |
  • natural - square)]() | A general natural language facility. |
  • retext - square)]() | An extensible natural language system. |

• Network

  • get-port - port .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Get an available port. |
  • ipify - square)]() | Get your public IP address. |
  • getmac - square)]() | Get the computer MAC address. |
  • polo - square)]() | Zero-config service discovery. |

• Newsletters

  • nmotw
  • nmotw

• Node.js management

  • nvm for Windows - windows .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Version management for Windows. |
  • n - square)]() | Node.js version management. |
  • nave - square)]() | Virtual Environments for Node.js. |
  • nodeenv - square)]() | A Node.js virtual environment compatible to Python&apos;s virtualenv. |

• Number

  • random-int - int .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Generate a random integer. |
  • random-float - float .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Generate a random float. |
  • unique-random - random .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Generate random numbers that are consecutively unique. |
  • round-to - to .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Round a number to a specific number of decimal places: <code>1.234</code> &#x2192; <code>1.2</code>. |

• Parsing

  • Jison
  • remark - square)]() | Markdown processor powered by plugins. |
  • markdown-it - it/markdown-it .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | A very fast markdown parser with 100% CommonMark support, extensions and syntax plugins. |
  • parse5 - square)]() | Fast full-featured spec compliant HTML parser. |
  • strip-json-comments - json-comments .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Strip comments from JSON. |
  • strip-css-comments - css-comments .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Strip comments from CSS. |
  • parse-json - json .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Parse JSON with more helpful errors. |
  • URI.js - square)]() | URL mutation. |
  • PostCSS - square)]() | CSS parser / stringifier. |
  • JSONStream - square)]() | Streaming JSON.parse and stringify. |
  • csv-parser - parser .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Streaming CSV parser that aims to be faster than everyone else. |
  • neat-csv - csv .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Fast CSV parser. Callback interface for the above. |
  • PEG.js - square)]() | Simple parser generator that produces fast parsers with excellent error reporting. |
  • x-ray - ray .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | A web scraping utility to see through the <code>&lt;html&gt;</code> noise. |
  • nearley - square)]() | Simple, fast, powerful parsing for JavaScript. |
  • binary-extract - extract .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Extract a value from a buffer of JSON without parsing the whole thing. |
  • json-mask - mask .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Tiny language and engine for selecting parts of an object, hiding/masking the rest. |
  • Stylecow - square)]() | Parse, manipulate and convert modern CSS to make it compatible with all browsers. Extensible with plugins. |
  • js-yaml - yaml .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Very fast YAML parser. |
  • excel-stream - stream .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Streaming Excel spreadsheet to JSON parser. |
  • xml2js - from-XIV/node-xml2js .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | XML to JavaScript object converter. |
  • google-libphonenumber - libphonenumber .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Parse, format, store and validate phone numbers. |
  • Jison

• Podcasts

  • NodeUp
  • Mostly Node
  • Mostly Node

• Polyfills JavaScript

  • es6-tools - tools#polyfills .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | More ES2015 polyfills at . |
  • object-assign - assign .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | ES2015 <code>Object.assign()</code> ponyfill. |
  • harmony-reflect - reflect .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | ES2015 <code>Reflect</code> and <code>Proxy</code> polyfill. |
  • es6-shim - shim .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Collection of ES2015 polyfills. |

• Polyfills Node.js

  • set-immediate-shim - immediate-shim .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Simple <code>setImmediate()</code> ponyfill. |
  • path-is-absolute - is-absolute .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Node.js 0.12 <code>path.isAbsolute()</code> ponyfill. |
  • os-tmpdir - tmpdir .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Node.js <code>os.tmpdir()</code> ponyfill. |
  • os-homedir - homedir .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Node.js 4 <code>os.homedir()</code> ponyfill. |
  • user-info - info .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Node.js 6 <code>os.userInfo()</code> ponyfill. |
  • debug-log - log .svg?style=social&label=Star&maxAge=2592000?style=flat-square)]() | Node.js 0.12 <code>util.debuglog()</code> ponyfill. |