mquery
Expressive query building for MongoDB
bson
A bson parser for node.js and the browser
event-reduce-js
javascript implementation of the event-reduce algorithm https://pubkey.github.io/event-reduce/
mongo-sanitize
Helper to sanitize mongodb queries against query selector injections
mongodb-memory-server
MongoDB Server for testing (auto-download latest version). The server will allow you to connect your favourite ODM or client library to the MongoDB Server and run parallel integration tests isolated from each other.