The distributions included:

Oracle Linux 6.5 - Oracle's spin of the Red Hat Enterprise Linux 6.5 source tree.

Oracle Linux 7.0 Beta 1 - Oracle's spin of the earlier RHEL 7.0 Beta 1 source code.

CentOS 6.5 - The community spin of RHEL 6.5 that is now collaborating with upstream Red Hat Enterprise Linux.

Fedora 20 - The out-of-the-box Fedora 20 for the latest experience of the Red Hat sponsored distribution

RHEL 7.0 RC1 - The just-released public ISO of the new Red Hat Enterprise Linux 7.0 environment.