rethinkdb 21,18,8,15,21,3,12,17,22

The open-source database for the realtime web.

mongoose 0,14,15,20,9,7,12,18,15

MongoDB object modeling designed to work in an asynchronous environment.

sequelize 9,6,15,13,11,11,6,14,12

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 7,2,13,3,3,5,14,4,9

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

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

Mongo DB Native NodeJS Driver

nedb 14,7,4,7,9,4,6,14,15

Embedded datastore for node.js

node-postgres 1,3,6,3,2,3,4,5,22

PostgreSQL client for node.js.

knex 7,7,1,6,6,4,6,5,8

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

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

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

waterline 2,5,3,7,3,0,8,5,1

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

ioredis 6,2,7,2,0,0,2,3,1

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

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

Object Relational Mapping

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

A simple relational data access tool for NodeJS.

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

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