- through2
A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
- semver
The semantic version parser used by npm.
- minimatch
a glob matcher in javascript
- cheerio
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
- async
Higher-order functions and common patterns for asynchronous code
- qs
A querystring parser that supports nesting and arrays, with a depth limit
- fs
- mime-types
The ultimate javascript content-type utility.
- debug
small debugging utility
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