Compare Apache CloudStack and OpenNebula 
- Users report that OpenNebula excels in ease of use with a score of 9.0, making it a preferred choice for teams looking for a user-friendly interface, while Apache CloudStack, with a score of 8.4, is noted to have a steeper learning curve.
- Reviewers mention that OpenNebula's cloud orchestration capabilities are robust, particularly for hybrid cloud environments, allowing seamless integration and management, whereas Apache CloudStack is often highlighted for its strong public cloud support but may lack some of the flexibility in hybrid setups.
- G2 users indicate that OpenNebula's resource auto-scaling feature is highly effective, allowing for dynamic resource allocation based on demand, which is a significant advantage for businesses with fluctuating workloads. In contrast, users on G2 report that Apache CloudStack's auto-scaling can be less intuitive and requires more manual configuration.
- Reviewers say that OpenNebula's cloud cost analytics tools are comprehensive, providing detailed insights into resource usage and cost management, which is crucial for budget-conscious organizations. Meanwhile, Apache CloudStack's cost management features are considered adequate but not as detailed, leading some users to seek additional tools for in-depth analysis.
- Users report that OpenNebula's cloud backup and recovery options are highly praised for their reliability and ease of use, ensuring data integrity and quick recovery times. Conversely, Apache CloudStack's backup solutions are seen as functional but lacking in advanced features that some users desire.
- Reviewers mention that OpenNebula's product direction is viewed positively at 10.0%, indicating strong confidence in its future development and support, while Apache CloudStack's product direction rating of 7.2% suggests some uncertainty among users regarding its long-term roadmap.
the orchestration architecture is simple. With only one server it is possible to have a cloud orchestrator, provisioning network, compute and disk. Updates are often published. User authentication can be based in SAML 2.0. This product is open source and is...
The part I dislike the is that, as far as I am concerned, there is a lack of billing tools for it.
For me it's been the ease of use and reliability of the system. Installation and setup of our initial hosts were straight forward and then from there the ability to scale up across the infrastructure we created with such speed was definitely miles ahead of...
Sadly, the above-mentioned simplicity of OpenNebula doesn't mean that it is an elegant product. It surely has a lot of rough edges. For instance, its security mechanisms leaves a lot to be desired: requirement for a passwordless sudo account, CLI...
the orchestration architecture is simple. With only one server it is possible to have a cloud orchestrator, provisioning network, compute and disk. Updates are often published. User authentication can be based in SAML 2.0. This product is open source and is...
For me it's been the ease of use and reliability of the system. Installation and setup of our initial hosts were straight forward and then from there the ability to scale up across the infrastructure we created with such speed was definitely miles ahead of...
The part I dislike the is that, as far as I am concerned, there is a lack of billing tools for it.
Sadly, the above-mentioned simplicity of OpenNebula doesn't mean that it is an elegant product. It surely has a lot of rough edges. For instance, its security mechanisms leaves a lot to be desired: requirement for a passwordless sudo account, CLI...
