- moment
Parse, validate, manipulate, and display dates
- mime-types
The ultimate javascript content-type utility.
- superagent
elegant & feature rich browser / node HTTP with a fluent API
- body-parser
Node.js body parsing middleware
- rimraf
A deep deletion module for node (like `rm -rf`)
- express
Fast, unopinionated, minimalist web framework
- debug
small debugging utility
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- js-yaml
YAML 1.2 parser and serializer
- Top 12 Jupyter Notebook extensions