yargs the modern, pirate-themed, successor to optimist.
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
A deep deletion module for node (like `rm -rf`)
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
YAML 1.2 parser and serializer
Recursively mkdir, like `mkdir -p`
The official MongoDB driver for Node.js
A querystring parser that supports nesting and arrays, with a depth limit