CopperEgg vs OpenNebula: What are the differences?

What is CopperEgg? Cloud monitoring for your servers, websites, processes, and web applications. Continuous visibility and cloud monitoring for all your servers – hosted or private, Linux or Windows. Works great with Amazon EC2, Rackspace, or any public or private cloud.

What is OpenNebula? A cloud computing platform for managing heterogeneous distributed data center infrastructures. 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. It supports Hybrid Cloud to combine local infrastructure with public cloud-based infrastructure, enabling highly scalable hosting environments.

CopperEgg and OpenNebula can be primarily classified as "Cloud Management" tools.

Some of the features offered by CopperEgg are:

• Any Server – Cloud, Virtual, or Physical- Whether your servers are physical, virtual, on-premise, in the cloud, or a combination of these, get the server performance insight you need from any location. Supports Ubuntu, CentOS, Windows and many more.
• CopperEgg cloud monitoring integrates with Chef and supports cloud server monitoring for CentOS, Ubuntu, Windows, RedHat, FreeBSD, MacOSX, and additional Linux varieties.
• Real-Time Updates- Updates every few seconds to provide you with the ability to correct an issue before a catastrophe occurs.

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

• Flexible
• Robust
• Powerful Auto-Scaling

OpenNebula is an open source tool with 501 GitHub stars and 284 GitHub forks. Here's a link to OpenNebula's open source repository on GitHub.