require-directory
Recursively iterates over specified directory, require()'ing each file, and returning a nested hash structure containing those modules.
find-package-json
Find package.json files in parent directories, keep finding until you find the right one using iterators.
fs-extra
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.
escalade
A tiny (183B to 210B) and fast utility to ascend parent directories