A library for promises (CommonJS/Promises/A,B,D)
The semantic version parser used by npm.
Recursively mkdir, like `mkdir -p`
A querystring parser that supports nesting and arrays, with a depth limit
Tiny millisecond conversion utility
the complete solution for node.js command-line programs
YAML 1.2 parser and serializer
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server