SymmetricDS - SymmetricDS is an asynchronous database replication software package that supports multiple subscribers and bi-directional synchronization.

Invantive Bridge - Invantive Bridge is an SDK that enables your applications and databases to connect using the same...

Kettle Pentaho - Pentaho Data Integration ( ETL ) a.k.a Kettle

ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.

CData Sync - Straightforward data synchronizing between on-premise and cloud data sources with a wide range of traditional and emerging databases.

elastic.io - elastic.io connects your SaaS to other cloud apps in seconds.