Diffix: High-Utility Database Anonymization [pdf]
aircloak.com
aircloak.com
Their elixir app masquerades as a postgresql database so that existing tools that can connect to pg can connect to the AirCloak instead - that's pretty wild.
"By understanding the server-side of the PostgreSQL protocol, the Air can accept connections from PostgreSQL aware tools, such as psql. This trick allows us to integrate with analytical tools, such as Tableau"
I realize that its not the intend use, but this would solve a very real pain most technology companies have.