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SPECIFICTION
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OpenNebula

opennebula.io

WebLinuxAPISelf-hosted
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Spec score 7.1 #9 of 18 in Infrastructure as a Service (IaaS) Software

What it is

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.

Spec sheet

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.Read 30 Sep 2026 · opennebula.io
Intended users
The maker describes OpenNebula as a platform for organizations building enterprise clouds and AI factories, including hybrid-cloud and edge deployments.Read 30 Sep 2026 · opennebula.io
Free plan
YesRead 20 Sep 2026 · opennebula.io
Integrations
The maker lists integrations including NVIDIA Spectrum-X, SUSE, NetApp, Veeam, and Everpure.Read 30 Sep 2026 · opennebula.io
Headquarters
Pozuelo de Alarcón, Madrid, SpainRead 23 Sep 2026 · opennebula.io
Founded
2005Read 23 Sep 2026 · opennebula.io
AI workloads
OpenNebula supports GPU scheduling with vGPU and MIG and describes integrations with NVIDIA technologies for AI and HPC workloads.Read 30 Sep 2026 · docs.opennebula.io
Enterprise releases
The software is open source, while certain tested and certified enterprise releases are available exclusively to subscribers.Read 30 Sep 2026 · opennebula.io
High availability
Its high-availability features include redundant control-plane components, hypervisor-node failover, and VM replication and recovery workflows across data centers.Read 30 Sep 2026 · docs.opennebula.io
Hybrid cloud
It manages infrastructure across on-premises, public cloud, and edge environments through a unified control plane.Read 30 Sep 2026 · opennebula.io
Management interfaces
The platform provides a web GUI, command-line tools, and REST, gRPC, and XML-RPC APIs.Read 30 Sep 2026 · docs.opennebula.io
Pricing
The subscriptions page offers a tailored proposal and does not state a price.Read 30 Sep 2026 · opennebula.io
Provider integrations
The provider catalog lists certified hosted-cloud providers including IONOS, OVHcloud, Scaleway, and Stackscale.Read 30 Sep 2026 · opennebula.io
Security and compliance
OpenNebula Systems says its security processes align with ISO 27001:2022 and Spain’s National Security Framework requirements.Read 30 Sep 2026 · support.opennebula.pro
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.Read 30 Sep 2026 · opennebula.io
Virtualization
OpenNebula supports KVM virtualization and LXC container virtualization and runs on major Linux distributions including RHEL, Ubuntu, Debian, and AlmaLinux.Read 30 Sep 2026 · docs.opennebula.io

Plans and prices

Community Edition Price not published Complete core platform · Public open-source releases · No stated host limit Read 20 Sep 2026 · docs.opennebula.io
Community Edition Priced on request Complete core platform · Public open-source releases · No stated host limit Read 20 Sep 2026 · docs.opennebula.io
Enterprise Subscription — Standard Price not published Unlimited CPUs, cores, and VMs · 9×5 support Read 20 Sep 2026 · opennebula.io
Enterprise Subscription — Standard Priced on request Unlimited CPUs, cores, and VMs · 9×5 support Read 20 Sep 2026 · opennebula.io
Enterprise Subscription — Premium Priced on request Unlimited CPUs, cores, and VMs · 24×7 support Read 20 Sep 2026 · opennebula.io
Enterprise Subscription — Premium Price not published Unlimited CPUs, cores, and VMs · 24×7 support Read 20 Sep 2026 · opennebula.io
OpenNebula Enterprise Subscription Priced on request Tailored proposal Unlimited CPUs, cores, and VMs · Standard: 9×5 SLA support (CET, EST) · Premium: 24×7 SLA support (CET, EST) Read 30 Sep 2026 · opennebula.io

Every OpenNebula plan and price →

Strong points and limits

Strong points

  • Manages on-premises, public-cloud, and edge infrastructure.
  • Supports KVM and LXC virtualization.
  • Provides VM replication and recovery workflows.
  • Offers web, command-line, and API management.
  • Community Edition is free.

Limits

  • Certain tested and certified enterprise releases require a subscription.
  • Standard support is 9×5; 24×7 requires Premium.

Who it suits

OpenNebula suits organizations building enterprise clouds or AI infrastructure across hybrid-cloud and edge deployments. It offers a free Community Edition as well as subscriber-only enterprise releases and support.

Verdict

OpenNebula combines cloud and virtualization management with high-availability features and multiple control interfaces. Organizations weighing enterprise releases should request a tailored proposal and compare the stated support hours.

Where Specifiction places it

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