In this post i am focusing on the cloud delivery tools which delivers IaaS and Paas of cloud computing whichever  playing a key role technology evolution now-a-days. There are lots of  commercial and open source vendors providing tools for delivering/managing the cloud models like IaaS,PaaS as in public and private cloud environment. Hence each tools has its own pros and cons of its own. Lets go... Competitors of cloud delivery platforms Openstack Founded by Rackspace and NASA in 2010. Openstack has seen tremendous growth and adoption in Cloud recent years. Largest open source following across the globe. Openstack has the most advanced support for different compute, storage and networking technologies. CloudStack      Cloudstack is very well funded and has an established footprint.      Cloudstack is known as the most robust and stable option.      Cloudstack has a smaller ope...