Check if something is a Node.js stream

Higher-order functions and common patterns for asynchronous code

Color your terminal using CSS/hex color codes

Client for prometheus

Streams3, a user-land copy of the stream library from Node.js

HTTP proxying for the masses

HTTP and HTTPS modules that follow redirects.

An mutable object-based log format designed for chaining & objectMode streams.

Run the supplied function exactly one time (once)

The string_decoder module from Node core

Binary Search Trees

get colors in your node.js console

Tiny millisecond conversion utility

Date formatting and parsing

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

Simply swizzle your arguments

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

javascript implementation of Dunning's T-Digest for streaming quantile approximation

Base stream implementations for winston@3 and up.

Color conversion and manipulation with CSS string support

Safer Node.js Buffer API

the complete solution for node.js command-line programs

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

Deterministic and safely JSON.stringify to quickly serialize JavaScript objects