OnApp vs VMware vCloud

OnApp software enables Infrastructure-as-a-Service for hosts, telcos and other service providers. With OnApp in your datacenter you can use commodity hardware to sell public & private cloud services, dedicated servers, Virtual Private Servers, CDN, DNS, storage and much more, through one fully automated control panel.
VMware vCloud
Start moving toward secure cloud computing with VMware vCloud solutions and services. Leverage the power of cloud computing while retaining the flexibility and open standards to support your existing IT infrastructure. Enabling IT as a service through cloud computing gives you a more efficient, flexible and cost-effective model.