- axios
Promise based HTTP client for the browser and node.js
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- qs
A querystring parser that supports nesting and arrays, with a depth limit
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- commander
the complete solution for node.js command-line programs
- fs
- js-yaml
YAML 1.2 parser and serializer
- q
A library for promises (CommonJS/Promises/A,B,D)
- through2
A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
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