rethinkdb 5,9,13,7,13,9,4,15,14

The open-source database for the realtime web.

mongoose 4,9,11,10,7,10,9,4,12

MongoDB object modeling designed to work in an asynchronous environment.

sequelize 9,11,9,16,16,17,6,6,7

Sequelize is an easy-to-use multi sql dialect ORM for Node.js & io.js. It currently supports MySQL, MariaDB, SQLite, PostgreSQL and MSSQL.

node-mysql 7,11,13,9,2,13,3,8,10

A pure node.js JavaScript Client implementing the MySql protocol.

node-mongodb-native 3,6,2,4,2,4,0,0,2

Mongo DB Native NodeJS Driver

nedb 2,5,11,9,3,9,4,6,9

Embedded datastore for node.js

node-postgres 3,0,2,5,7,1,5,0,5

PostgreSQL client for node.js.

knex 7,1,9,5,5,5,2,2,7

A query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use.

bookshelf 2,4,2,1,3,2,1,1,0

A simple Node.js ORM for PostgreSQL, MySQL and SQLite3 built on top of Knex.js

waterline 3,2,3,3,1,4,4,2,0

An adapter-based ORM for Node.js with support for mysql, mongo, postgres, redis, and more

ioredis 0,4,5,3,4,1,3,2,3

A robust, performance-focused and full-featured Redis client for Node and io.js.

node-orm2 3,1,0,0,0,2,6,1,1

Object Relational Mapping

massive-js 0,1,1,3,0,0,0,0,0

A simple relational data access tool for NodeJS.

rethinkdbdash 1,1,2,0,1,0,-1,-1,1

An advanced Node.js driver for RethinkDB with a connection pool, support for streams etc.