[Requestify](https://github.com/ranm8/requestify), a straight-forward HTTP client library

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[Express Generator](https://www.npmjs.com/package/express-generator) strikes a nice balance between opinionated and useful when creating Express scaffolds

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[Mock Browser](https://www.npmjs.com/package/mock-browser) adds Window and Document objects.

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Also available in other formats [seedrandom](https://github.com/davidbau/seedrandom) creates a PRNG based on a string initialiser.

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[classnames](https://github.com/JedWatson/classnames) nice little utility for creating class attribute strings,  spun off from the React project

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[auto-plug](https://www.npmjs.com/package/auto-plug/) loads prefix-based modules into a single variable.