- mime-types
The ultimate javascript content-type utility.
- semver
The semantic version parser used by npm.
- 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.
- q
A library for promises (CommonJS/Promises/A,B,D)
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- minimatch
a glob matcher in javascript
- moment
Parse, validate, manipulate, and display dates
- debug
small debugging utility
- redis
Redis client library
- Top 12 Jupyter Notebook extensions