- qs
A querystring parser that supports nesting and arrays, with a depth limit
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- rimraf
A deep deletion module for node (like `rm -rf`)
- async
Higher-order functions and common patterns for asynchronous code
- cheerio
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
- glob
a little globber
- commander
the complete solution for node.js command-line programs
- path
- superagent
elegant & feature rich browser / node HTTP with a fluent API
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