winstonjs/logform

Deterministic and safely JSON.stringify to quickly serialize JavaScript objects

Definitions of levels for logging purposes & shareable Symbol constants.

Babel command line.

Babel compiler core.

A Babel preset for each environment.

Expect-like assertions that works seamlessly in node and browsers

simple, flexible, fun test framework

the Istanbul command line interface

A deep deletion module for node (like `rm -rf`)

get colors in your node.js console

TypeScript definitions for triple-beam

Date formatting and parsing

A (one day) auto-updating style at the mercy of the people, and only the people.