OpenNebula
🇪🇸 ES
Open-source cloud and virtualization management for enterprise infrastructure
Features
Virtualization and Compute
- Multi-hypervisor orchestration (KVM, LXC, VMware vCenter)
- VM lifecycle management and live migration
- Dynamic resource scheduling (DRS) and Enhanced VM Compatibility (EVC)
- Internal snapshots for UEFI VMs
- Virtual TPM (vTPM) and VM memory encryption
AI Infrastructure and Acceleration
- GPU and vGPU passthrough
- NVIDIA Infra Controller (NICo/NCX) integration
- NVIDIA Spectrum-X lossless networking
- NVSwitch/NVLink support
- GB200/GB300 bare-metal provisioning
- Appliances for Ray, NVIDIA Dynamo, vLLM, Hugging Face
Storage and Backup
- Multi-datastore management (NFS/NAS, SAN/LVM, Ceph, iSCSI, VirtioFS)
- Live storage migration
- CBT incremental backups (LVM-thin, Ceph, Restic, rsync)
- Disk restoration onto existing VMs
- OpenNebula Backup Exporter (OneBEX) for direct export
Software-Defined Networking
- Isolated virtual networks (802.1Q VLANs, Open vSwitch, VXLAN)
- DPDK vHost User NICs with hot-plug support
- Shared address ranges with virtual IP/NIC aliasing
- Integrated IPAM
Edge, Hybrid Cloud, and Provisioning
- Automated deployment and scaling of edge/remote clusters
- Multi-cloud node orchestration via OneForm engine
- Terraform and Ansible integration
- Edge platforms across public cloud and telco edge providers
Container and Kubernetes Orchestration
- Multi-cluster Kubernetes deployment via OneKE (CNCF-certified)
- ClusterAPI provider (CAPONE)
- Integrated SUSE RKE2 runtime
Administration, Multi-Tenancy, and Security
- FireEdge Sunstone web GUI
- Ruby/Python OCA bindings, CLI, REST/XML-RPC/gRPC APIs
- Fine-grained multi-tenancy and ACLs
- Quota enforcement and resource accounting/showback
- 2FA, SAML 2.0, LDAP/Active Directory, SSH, x509 authentication
Pricing
Enterprise Subscriptions are quoted per managed host on an annual basis; no public price list is published.
EU Trust Profile
What we verified against public sources, last checked 2026-09-21. Every point links to its evidence.
- Evidence →EU data residency
Data residency is determined by the customer's own infrastructure deployment.
- Evidence →European legal entity
Registered seat in Madrid, Spain, as stated in the legal notice.
- Evidence →Self-hosting availableOn-premises deployment via ISO or manual installation
- Evidence →Open sourceApache License 2.0
We list only what we could verify against a public source on the check date. A point that is absent was not established either way — it is not a finding against the vendor. The vendor's own information prevails.
Work at OpenNebula?
This badge is free for every vendor we list and has no bearing on the order of any list. It is issued on the basis of a verified European headquarters (ES) and the compliance points we checked against public sources — the date on it is the date we last checked.
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Reviews
Recurring themes, synthesized from public reviews across portals.
What users value
- Lightweight architecture with minimal operational footprint
- Lower total cost of ownership compared to OpenStack and VMware
- Fast installation and simplicity in setup
- User-friendly web interface (Sunstone) with single-pane-of-glass dashboard
- Strong multi-hypervisor support (KVM, LXC/LXD, Firecracker, VMware)
- Seamless Kubernetes orchestration
- Robust multi-tenancy via Virtual Data Centers
- Reliable auto-scaling features
Where users see room to improve
- · Steep learning curve for non-standard cloud abstractions and edge clustering
- · Disorganized documentation and sparse knowledge base for complex setups
- · Support quality lags behind enterprise alternatives (G2 rating: 6.9/10)
Integrations
Feature, pricing and integration details are based on web research (as of 2026-09-21), without guarantee, errors are possible. The vendor's website prevails.