through2
A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
duplexify
Turn a writable and readable stream into a streams2 duplex stream with support for async initialization and streams1/streams2 input
stream-meter
A stream meter that both counts the bytes piped through it, and can optionally abort on a max size. (e.g. limit a http request size)
