stream-json

stream-json is the micro-library of Node.js stream components for creating custom JSON processing pipelines with a minimal memory footprint. It can parse JSON files far exceeding available memory streaming individual primitives using a SAX-inspired API. I

varstream

Stream variables beetween 2 JavaScript threads (client/server, ipc, worker/main thread).

big-json

A stream based implementation of JSON.parse and JSON.stringify for big POJOs