Check if a protocol requires a certain port number to be added to an URL.

Definitions of levels for logging purposes & shareable Symbol constants.

EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.

Date formatting and parsing

The Node.js `util.deprecate()` function with browser support

Color conversion and manipulation with CSS string support

Plain color conversion functions

Determines if an object can be used as an array

A list of color names and its values

the complete solution for node.js command-line programs

Deterministic and safely JSON.stringify to quickly serialize JavaScript objects

strftime for JavaScript

Safer Node.js Buffer API

Higher-order functions and common patterns for asynchronous code

Check if something is a Node.js stream

Generate a hex color from the given text

A logger for just about everything.

Check if a certain debug flag is enabled.

Browser-friendly inheritance fully compatible with standard node.js inherits()

The string_decoder module from Node core

Get v8 stack traces as an array of CallSite objects.

HTTP proxying for the masses

Binary Search Trees

Tools for debugging your node.js modules and event loop