Apache CloudStack vs OpenNebula
Apache CloudStack
cloudstack.apache.org
OpenNebula
opennebula.ioSide by side
| Figure | Apache CloudStack | OpenNebula |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 7 |
| Spec score · Virtualization Management Software | 9.0 (#1) | 7.6 (#18) |
| Spec score · Cloud Orchestration Software | 9.0 (#2) | 7.4 (#20) |
| Spec score · Multi-Cloud Management Software | 9.0 (#2) | 7.3 (#16) |
| Spec score · Cloud Infrastructure as a Service (Cloud IaaS) Software | 8.9 (#2) | 7.2 (#15) |
| Spec score · Cloud Management Software | 9.0 (#3) | 7.3 (#24) |
| Spec score · Data Center Automation | 9.0 (#2) | 7.3 (#14) |
| Spec score · Cloud Automation Software | 9.0 (#3) | 7.4 (#20) |
| Spec score · Infrastructure as a Service (IaaS) Software | 8.9 (#2) | 7.1 (#9) |
| Founded | 2008 | 2005 |
| High availability | Management servers can run in a load-balanced multi-node installation and MySQL can use replication for failover. | Its high-availability features include redundant control-plane components, hypervisor-node failover, and VM replication and recovery workflows across data centers. |
| Integrations | The integrations page lists Terraform, Ansible, Kubernetes, Prometheus, VMware NSX, Ceph, MinIO, and billing portal integrations. | The maker lists integrations including NVIDIA Spectrum-X, SUSE, NetApp, Veeam, and Everpure. |
| Intended users | The project identifies cloud solution providers, managed service providers, telcos, and enterprises as audiences for CloudStack. | The maker describes OpenNebula as a platform for organizations building enterprise clouds and AI factories, including hybrid-cloud and edge deployments. |
| What it does | Apache CloudStack deploys and manages large virtual-machine networks as a highly available, scalable IaaS platform. | OpenNebula is an end-to-end cloud and virtualization management platform that unifies KVM virtual machines and Kubernetes clusters in one environment. |
Plans
OpenNebula
- Community EditionPrice not published
- Community EditionPriced on request
- Enterprise Subscription — StandardPrice not published
- Enterprise Subscription — StandardPriced on request
- Enterprise Subscription — PremiumPriced on request
- Enterprise Subscription — PremiumPrice not published
- OpenNebula Enterprise SubscriptionPriced on request
In their own words
Apache CloudStack
Apache CloudStack is free, open-source software for deploying and managing networks of virtual machines as a highly available, scalable IaaS cloud platform. Organizations can use it to build public, private, or hybrid clouds. Its features include compute orchestration, network services, account management, resource accounting, a web interface, and an open API. Operators can manage clouds through a web UI, command-line tools, or REST API, with optional AWS EC2- and S3-compatible APIs. Supported hypervisors include XenServer or XCP, KVM, Hyper-V, and VMware ESXi with vSphere. Storage options include iSCSI, NFS, Ceph RBD with KVM, volume encryption, snapshots, and storage tiering. Authentication options include OAuth2 single sign-on, two-factor authentication, TOTP, SAML, and LDAP. The project says CloudStack can manage tens of thousands of physical servers across geographically distributed data centers. Long Term Support releases receive bug and security fixes for 18 months after the main release. Operators remain responsible for protections such as monitoring, host security, and defenses against DoS and brute-force attacks.
OpenNebula
OpenNebula is an open-source cloud and virtualization management platform for infrastructure across on-premises, public-cloud, and edge environments. Its control plane brings KVM virtual machines and Kubernetes clusters together, and it also supports LXC container virtualization. High-availability features include redundant control-plane components, hypervisor-node failover, and VM replication and recovery workflows across data centers. Management options include a web GUI, command-line tools, and REST, gRPC, and XML-RPC APIs. OpenNebula runs on major Linux distributions including RHEL, Ubuntu, Debian, and AlmaLinux. GPU scheduling with vGPU and MIG supports AI and HPC workloads. The maker lists integrations such as NVIDIA Spectrum-X, SUSE, NetApp, Veeam, and Everpure, as well as certified hosted-cloud providers. The Community Edition is free, while certain tested and certified enterprise releases are subscriber-only. Enterprise subscriptions include unlimited CPUs, cores, and VMs; Standard support is 9×5 and Premium support is 24×7 in CET and EST. Subscription pricing is by tailored proposal, with no price stated.