- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- yargs
yargs the modern, pirate-themed, successor to optimist.
- semver
The semantic version parser used by npm.
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- fs-extra
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
- js-yaml
YAML 1.2 parser and serializer
- minimist
parse argument options
- ms
Tiny millisecond conversion utility
- crypto
- Top 12 Jupyter Notebook extensions