The Rackspace Private Cloud Software is a compilation comprised of various components that are available under various open source licenses. The Software is an Ubuntu based distribution and includes Chef Server, the Chef Omnibus Installer, the Rackspace Chef Cookbooks, various OpenStack components, and the Ubuntu Precise installer.
This page will be revised from time to time to continue to acknowledge the contributors and open sourced components included in the Rackspace Private Cloud Software, and to point to the related source code for those projects and packages. Rackspace makes no representation or warranty as to the accuracy of this list or the information provided below.
Debian Licenses (Installer) - http://www.debian.org/legal/licenses/ 
OpenStack – http://www.openstack.org 
Ubuntu - http://www.ubuntu.com/project/about-ubuntu/licensing 
Additional information about the Ubuntu package and license list can be found at: http://www.ubuntu.com/legal 
Chef Omnibus Installer, Chef Server - http://wiki.opscode.com/display/chef/Apache+License 
Rackspace Chef Cookbooks – https://github.com/rcbops/chef-cookbooks/blob/iso/LICENSE