They've aquired and freed (that I know of): RHEV (originally Qumranet, upstream is oVirt), ManageIQ (aquisition, upstream is ManageIQ, commercial is CloudForms)

They've aquired and freed (that I know of): RHEV (originally Qumranet, upstream is oVirt), ManageIQ (aquisition, upstream is ManageIQ, commercial is CloudForms), and are in the process of open sourcing the Ceph commercial management tools. Red Hat are the anti-Oracle.