run-rs
Run a MongoDB replica set locally for development and clear the database each time
mongo-realtime
A Node.js package that combines Socket.IO and MongoDB Change Streams to deliver real-time database updates to your WebSocket clients.
mongo-replica-set
Command-line tool and API for setting up MongoDB replica sets on localhost. Useful for development purposes.
mycoil
A 2Kb lib mimicking Facebook's Recoil