- postcss
- js-yaml
YAML 1.2 parser and serializer
- semver
The semantic version parser used by npm.
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- crypto
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- redis
Redis client library
- yargs
yargs the modern, pirate-themed, successor to optimist.
- bluebird
Full featured Promises/A+ implementation with exceptionally good performance
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