A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Full featured Promises/A+ implementation with exceptionally good performance
A logger for just about everything.
Higher-order functions and common patterns for asynchronous code
A deep deletion module for node (like `rm -rf`)
YAML 1.2 parser and serializer