An easy-to-use MSSQL database connector for Node.js / io.js.
Strongloop Loopback connector for Elasticsearch
connector
Lutung - A Java Mandrill API Connector
Meteor's Neo4j
Python connector for ElasticSearch - the pythonic way to use ElasticSearch
DDBC is DB Connector for D language (similar to JDBC)
The [Crate Datastore] (https://crate.io/) Connector module for for [loopback-datasource-juggler](http://docs.strongloop.com/loopback-datasource-juggler/).
Connector between Hive and Azure Tables
Python connector for ElasticSearch - the pythonic way to use ElasticSearch