- 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
- commander
the complete solution for node.js command-line programs
- handlebars
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
- request
Simplified HTTP request client.
- semver
The semantic version parser used by npm.
- http
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- chalk
Terminal string styling done right
- Top 12 Jupyter Notebook extensions