- winston
A logger for just about everything.
- mocha
simple, flexible, fun test framework
- through2
A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
- superagent
elegant & feature rich browser / node HTTP with a fluent API
- 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
- express
Fast, unopinionated, minimalist web framework
- semver
The semantic version parser used by npm.
- commander
the complete solution for node.js command-line programs
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