- q
A library for promises (CommonJS/Promises/A,B,D)
- ms
Tiny millisecond conversion utility
- commander
the complete solution for node.js command-line programs
- minimist
parse argument options
- js-yaml
YAML 1.2 parser and serializer
- express
Fast, unopinionated, minimalist web framework
- cheerio
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
- mime-types
The ultimate javascript content-type utility.
- yargs
yargs the modern, pirate-themed, successor to optimist.
- Top 12 Jupyter Notebook extensions