Tiny millisecond conversion utility
a little globber
Terminal string styling done right
The semantic version parser used by npm.
the complete solution for node.js command-line programs
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
Recursively mkdir, like `mkdir -p`
Full featured Promises/A+ implementation with exceptionally good performance
yargs the modern, pirate-themed, successor to optimist.