rethinkdb 11,0,13,3,4,7,9,11,8

The open-source database for the realtime web.

mongoose 12,0,10,6,8,12,9,21,7

MongoDB object modeling designed to work in an asynchronous environment.

sequelize 14,0,19,5,5,12,15,15,11

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 15,0,15,3,7,16,15,6,15

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

node-mongodb-native 4,0,1,-1,3,3,6,5,2

Mongo DB Native NodeJS Driver

nedb 12,0,9,5,7,4,6,9,4

Embedded datastore for node.js

node-postgres 7,0,4,3,6,3,4,8,4

PostgreSQL client for node.js.

knex 6,0,10,6,17,14,6,3,9

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

waterline 5,0,5,4,5,5,4,3,1

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

bookshelf 1,0,3,3,8,1,-2,5,3

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

ioredis 5,0,5,2,0,3,7,10,10

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

node-orm2 0,0,3,0,3,0,0,1,1

Object Relational Mapping

massive-js 0,0,0,0,0,2,0,2,0

A simple relational data access tool for NodeJS.

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

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