The Node Module System
As a developer, you can solve many complex problems using the core Node functionality. However, one of Node’s true strengths is its developer community and abundance of third-party modules. Keeping track of all of these modules is Node’s package manager, npm. The npm FAQ page jokingly states that npm is not an acronym for “Node package manager” and instead is a recursive backronym abbreviation for “npm is not an acronym.” Regardless of its meaning, npm is a command line tool that, since Node version 0.6.3, comes bundled with the Node environment.
What npm does—and does very well—is manage Node modules and their ...