simplecrawler
Very straightforward, event driven web crawler. Features a flexible queue interface and a basic cache mechanism with extensible backend.
buffered-queue
A simple to use buffering queue (no dependencies) which flexibly buffers objects, strings, integers etc. until either a maximum size is reached, or an interval has come to an end.
simple-in-memory-queue
A simple in-memory queue, for nodejs and the browser, with consumers for common usecases.