Command-line apps

• np - Better npm publish.
• npm-name - Check whether a package name is available 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• David - Tells you when your package npm dependencies are out of date.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.

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.

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.

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
  • PostgreSQL - PostgreSQL client. Pure JavaScript and native libpq bindings.
  • Redis - Redis client.
  • LevelUP - LevelDB.
  • MySQL - MySQL client.
  • couchdb-nano - CouchDB client.
  • Aerospike - Aerospike client.
  • Couchbase - Couchbase client.
  • MongoDB - MongoDB driver.
• ODM / ORM
  • Sequelize - Multi-dialect ORM. Supports PostgreSQL, SQLite, MySQL.
  • 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.
  • Objection.js - Lightweight ORM built on the SQL query builder Knex.
  • TypeORM - ORM for PostgreSQL, MariaDB, MySQL, SQLite, and more.
• 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.

  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.

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.

Automation

• robotjs - Desktop Automation: control the mouse, keyboard and read the screen.