Greenplum Chorus™: Greenplum OpenSource Chorus | Complex Insight  - Understanding our world |

Greenplum have open sourced their data collaboration platform Chorus as part of their commitment to OpenChorus ( Chrous is a facebook like environment for teams to collaborate around data.  Licensed under the Apache 2.0 license - if you are building team tools around data processes OpenChorus is probably worth a look. Click on the image or the title to learn more.