Microsoft Azure Stack vs. VMware Cloud on AWS -- Customers, Start Your Pencil Sharpeners
Enterprise hybrid cloud
VMware Cloud on AWS | AWS Cloud
Azure Stack – Hybrid Cloud | Microsoft Azure
Home - OpenStack is open source software for creating private and public clouds.
OpenStack - Wikipedia
"OpenStack is a free and open-source software platform for cloud computing, mostly deployed as infrastructure-as-a-service (IaaS), whereby virtual servers and other resources are made available to customers (written in Python)"