Apache CloudStack vs OpenNebula: What are the differences?

Developers describe Apache CloudStack as "Open Source Cloud Computing". Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. On the other hand, OpenNebula is detailed as "Open Source Cloud manager". It provides a simple but feature-rich and flexible solution for the comprehensive management of virtualized data centers to enable on-premise enterprise clouds in existing infrastructures. It can be primarily used as a virtualization tool to manage your virtual infrastructure in the data-center or cluster, which is usually referred as Private Cloud. OpenNebula supports Hybrid Cloud to combine local infrastructure with public cloud-based infrastructure, enabling highly scalable hosting environments. OpenNebula also supports Public Clouds by providing Cloud interfaces to expose its functionality for virtual machine, storage and network management.

Apache CloudStack and OpenNebula belong to "Open Source Cloud" category of the tech stack.

Some of the features offered by Apache CloudStack are:

• Works with hosts running XenServer/XCP, KVM, Hyper-V, and/or VMware ESXi with vSphere
• Provides a friendly Web-based UI for managing the cloud
• Provides a native API

On the other hand, OpenNebula provides the following key features:

• flexible
• robust
• powerful

Apache CloudStack is an open source tool with 758 GitHub stars and 715 GitHub forks. Here's a link to Apache CloudStack's open source repository on GitHub.