Winston: Pluggable async logging library for Node.js
thechangelog.com/winston-a-multi-transport-async-logging-library-for-node
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
The Nodejitsu team has released Winston, a pluggable, async logger for Node.js that also supports multiple transports.