- mocha
simple, flexible, fun test framework
- mime-types
The ultimate javascript content-type utility.
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- semver
The semantic version parser used by npm.
- winston
A logger for just about everything.
- 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.
- http
- postcss
- node-fetch
A light-weight module that brings window.fetch to node.js
- Top 12 Jupyter Notebook extensions