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yargs the modern, pirate-themed, successor to optimist.
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A querystring parser that supports nesting and arrays, with a depth limit
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Terminal string styling done right
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The official MongoDB driver for Node.js
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Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
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Node.js body parsing middleware
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Streams3, a user-land copy of the stream library from Node.js
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