- minimist
parse argument options
- qs
A querystring parser that supports nesting and arrays, with a depth limit
- express
Fast, unopinionated, minimalist web framework
- async
Higher-order functions and common patterns for asynchronous code
- body-parser
Node.js body parsing middleware
- winston
A logger for just about everything.
- colors
get colors in your node.js console
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- http
- Top 12 Jupyter Notebook extensions