- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- async
Higher-order functions and common patterns for asynchronous code
- request
Simplified HTTP request client.
- mocha
simple, flexible, fun test framework
- commander
the complete solution for node.js command-line programs
- lodash
Lodash modular utilities.
- postcss
- glob
a little globber
- path
- Top 12 Jupyter Notebook extensions