Openstack is open-source (free) software option for your cloud. It is secured by Openstack foundation, that is supported by very strong community of thousands of developers and member.
Openstack was originally project of american IT company Rackspace and NASA, but continuously new players started to work on it. Openstack is marked as Linux in the world of Cloud.
OpenStack represents virtual platform that is highly secured, reliable and extensible and very flexible. OpenStack offers quality API for additional integration.
Project allows the management (start, stop) of virtual installations, storing data (SQL, non-structured data) and images.
