- path
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- qs
A querystring parser that supports nesting and arrays, with a depth limit
- js-yaml
YAML 1.2 parser and serializer
- commander
the complete solution for node.js command-line programs
- axios
Promise based HTTP client for the browser and node.js
- node-fetch
A light-weight module that brings window.fetch to node.js
- moment
Parse, validate, manipulate, and display dates
- mongodb
The official MongoDB driver for Node.js
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