Most starred: https://www.npmjs.com/browse/star
Simple monitor script for use during development of a node.js app.
npm install -g nodemonA simple CLI tool for ensuring that a given node script runs continuously (i.e. forever)
npm install -g foreverPM2 is a production process manager for Node.js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks.
npm install -g pm2 The streaming build system
npm install -g gulp-cli
npm install gulp --save-devThe JavaScript Task Runner
npm install -g grunt-cli
npm install grunt --save-devA modern JavaScript utility library delivering modularity, performance, & extras.
npm install lodash --saveUnderscore.js is a utility-belt library for JavaScript that provides support for the usual functional suspects (each, map, reduce, filter...) without extending any core JavaScript objects.
npm install underscore --saveParse, validate, manipulate, and display dates
npm install moment --saveRigorous implementation of RFC4122 (v1 and v4) UUIDs.
npm install uuid --saveThe semantic version parser used by npm.
npm install semver --saveTiny, fast, and elegant implementation of core jQuery designed specifically for the server
npm install cheerio --saveThe complete solution for node.js command-line programs
npm install commander --saveThis module is the guts of optimist's argument parser without all the fanciful decoration.
npm install minimist --saveGet colors in your Node.js console
npm install colors --saveTerminal string styling done right. Much color.
npm install chalk --saveFlexible ascii progress bar
npm install progress --save
Fast, unopinionated, minimalist web framework for Node.js
npm install express --saveConnect is an extensible HTTP server framework for node using "plugins" known as middleware.
npm install connect --save
hapi is a simple to use configuration-centric framework with built-in support for input validation, caching, authentication, and other essential facilities for building web and services applications. hapi enables developers to focus on writing reusable application logic in a highly modular and prescriptive approach.
npm install hapi --save
Expressive HTTP middleware for node.js to make web applications and APIs more enjoyable to write. Koa's middleware stack flows in a stack-like manner, allowing you to perform actions downstream then filter and manipulate the response upstream. Koa's use of generators also greatly increases the readability and robustness of your application.
npm install koa --saveRestify is a smallish framework, similar to express for building REST APIs.
npm install restify --saveSimplified HTTP request client.
npm install request --saveWS is a simple to use WebSocket implementation, up-to-date against RFC-6455, and probably the fastest WebSocket library for Node.js.
npm install ws --saveNode.js realtime framework server
npm install socket.io --savehttp-server is a simple, zero-configuration command-line HTTP server.
It is powerful enough for production usage, but it's simple and hackable enough to be used for testing, local development, and learning.
npm install -g http-servernode-http-proxy is an HTTP programmable proxying library that supports websockets. It is suitable for implementing components such as reverse proxies and load balancers.
npm install http-proxy --save
Easy as cake e-mail sending from your Node.js applications
npm install nodemailer --saveMongoDB legacy driver emulation layer on top of mongodb-core
npm install mongodb --saveThis is a complete and feature rich Redis client for node.js. It supports all Redis commands and focuses on high performance.
npm install redis --savePostgreSQL client for Node.js. Pure JavaScript and optional native libpq bindings.
npm install pg pg-native --saveA node.js driver for MySQL. It is written in JavaScript, does not require compiling, and is 100% MIT licensed.
npm install mysql --saveAsynchronous, non-blocking SQLite3 bindings
npm install mysql --saveMongoose (use only for projects with small load!)
Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment.
npm install mongoose --saveA JSON logging library for Node.js services
npm install bunyan --saveA multi-transport async logging library for Node.js
npm install winston --saveUnruly configuration management for Node.js
npm install convict --saveHierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.
npm install nconf --save
Mocha is a simple, flexible, fun JavaScript test framework for node.js and the browser
npm install mocha --save-devTest framework agnostic BDD-style assertions
npm install should --save-dev
Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.
npm install chai --save-devSuper-agent driven library for testing HTTP servers
npm install supertest --save-devNock is an HTTP mocking and expectations library for Node.js Nock can be used to test modules that perform HTTP requests in isolation.
npm install nock --save-devYet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests.
npm install istanbul --save-dev
JSHint is a community-driven tool to detect errors and potential problems in JavaScript code and to enforce your team's coding conventions. It is very flexible so you can easily adjust it to your particular coding guidelines and the environment you expect your code to execute in.
npm install -g jshintnpm install jshint --save-dev
JSCS is a code style linter/formatter for programmatically enforcing your style guide. You can configure JSCS for your project/company using over 150 validation rules, including presets from popular style guides like jQuery, Airbnb, Google, and more.
npm install jscs --save-devA benchmarking library that supports high-resolution timers and returns statistically significant results.
npm install benchmark --save-dev