OpenNebula

OpenNebula is ranked #13 of 32 in cloud management software on Freedom251, made by OpenNebula (Pozuelo de Alarcón, Madrid, Spain). It runs on API, Linux, Self-hosted, Web.

OpenNebula plans and pricing

All plans

Community Edition Not published Complete core platform · Public open-source releases · No stated host limit docs.opennebula.io · 20 Sept 2026

Enterprise Subscription — Standard Not published Unlimited CPUs, cores, and VMs · 9×5 support opennebula.io · 20 Sept 2026

Enterprise Subscription — Premium Not published Unlimited CPUs, cores, and VMs · 24×7 support opennebula.io · 20 Sept 2026

Compared on cloud management software

Free plan: Yes

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Free6.5

OpenNebula

What it does: OpenNebula is an end-to-end cloud and virtualization management platform that unifies KVM virtual machines and Kubernetes clusters in one environment.
Hybrid cloud: It manages infrastructure across on-premises, public cloud, and edge environments through a unified control plane.
High availability: Its high-availability features include redundant control-plane components, hypervisor-node failover, and VM replication and recovery workflows across data centers.
Virtualization: OpenNebula supports KVM virtualization and LXC container virtualization and runs on major Linux distributions including RHEL, Ubuntu, Debian, and AlmaLinux.
Management interfaces: The platform provides a web GUI, command-line tools, and REST, gRPC, and XML-RPC APIs.
AI workloads: OpenNebula supports GPU scheduling with vGPU and MIG and describes integrations with NVIDIA technologies for AI and HPC workloads.
Integrations: The maker lists integrations including NVIDIA Spectrum-X, SUSE, NetApp, Veeam, and Everpure.
Provider integrations: The provider catalog lists certified hosted-cloud providers including IONOS, OVHcloud, Scaleway, and Stackscale.
Security and compliance: OpenNebula Systems says its security processes align with ISO 27001:2022 and Spain’s National Security Framework requirements.
Enterprise releases: The software is open source, while certain tested and certified enterprise releases are available exclusively to subscribers.
Subscription support: Enterprise support includes unlimited service tickets, with Standard offering 9×5 SLA-backed support and Premium offering 24×7 support in CET and EST.
Pricing: The subscriptions page offers a tailored proposal and does not state a price.
Intended users: The maker describes OpenNebula as a platform for organizations building enterprise clouds and AI factories, including hybrid-cloud and edge deployments.
Founded: 2005

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Where it ranks on Freedom251

Best Cloud Management Software in 2026#13 of 32
Best Cloud Automation Software in 2026#11 of 31
Best Virtualization Management Software in 2026#10 of 31
Best Virtual Machine Software in 2026#13 of 26
Best Cloud Orchestration Software in 2026#16 of 24
Best Multi-Cloud Management Software in 2026#7 of 23
Best Hypervisor Software in 2026#9 of 23

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Sources

opennebula.io/platform/· checked 30 Sept 2026
docs.opennebula.io/7.4/getting_started/understand_opennebu· checked 30 Sept 2026
opennebula.io· checked 30 Sept 2026
opennebula.io/provider-catalog/· checked 30 Sept 2026
support.opennebula.pro/hc/en-us/articles/33490408158365-Securi· checked 30 Sept 2026
opennebula.io/subscriptions/· checked 30 Sept 2026
docs.opennebula.io/7.4/software/release_information/releas· checked 20 Sept 2026