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Head-to-head · Virtualization Management Software

VMmanager vs OpenNebula

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score VMmanager #7 in Virtualization Management Software 8.5/10 Pricing on request · 30-day trial Free trial✓ 4 of 4 features Visit VMmanager
OpenNebula #9 in Virtualization Management Software 8.3/10 Free plan Free plan✓ 4 of 4 features Visit OpenNebula

VMmanager leads on 0 checks, OpenNebula on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreVMmanager · 8.5/10
  • Free planonly OpenNebula
  • Free trialonly VMmanager

VMmanager scores higher on our rubric for virtualization management software: 8.5 against 8.3 out of 10; our editors rank them #7 and #9.

OpenNebula offers free plan; VMmanager doesn't. On deployment model, OpenNebula gives you Hybrid where VMmanager offers Self-hosted.

VMmanager is the better fit for hosting providers needing broad import support. OpenNebula is the better fit for hybrid-cloud and multi-site virtualization.

  • VMmanager fits best

    Hosting providers needing broad import support

  • OpenNebula fits best

    Hybrid-cloud and multi-site virtualization

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature VMmanager 8.5/10 Visit ↗ OpenNebula 8.3/10 Visit ↗
At a glance
Editor score 8.5 8.3
Ranking #7 in Virtualization Management Software #9 in Virtualization Management Software
Best for Hosting providers needing broad import support Hybrid-cloud and multi-site virtualization
Pricing model Paid Free plan + paid
Starting price — —
Free plan — ✓ (best)
Free trial 30 days —
Deployment Self-hosted Cloud, Self-hosted
Platforms Web Web, Linux
Support Email, Phone, Docs Email, Community, Docs, Tickets · 24/7
Integrations 3 integrations 9 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features VMmanager 4/4 · OpenNebula 4/4
Live migration ✓ ✓
High availability ✓ ✓
Disaster recovery ✓ ✓
API access ✓ ✓
Specs
Deployment model Self-hosted Hybrid
Supported hypervisors KVM, LXD, Hyper-V, VirtualBox, VMware, Xen, QEMU-KVM KVM, LXC
Managed host limit Not checked yet Not checked yet
Our review
Pros
  • Imports VMs from Hyper-V, VirtualBox, VMware, Xen, and QEMU-KVM
  • Combines KVM/LXD clusters with HA, live migration, and DRS
  • Includes self-service portals, APIs, and storage integrations
  • Free Community Edition with the complete core platform
  • Live migration, high availability, and disaster-recovery workflows
  • Federation, Kubernetes, and extensive infrastructure integrations
Cons
  • Pricing requires contacting sales rather than showing an entry price
  • Self-hosted deployment is the only listed deployment model
  • No free plan and no AI features are included
  • Enterprise subscription pricing requires a tailored quote
  • Enterprise tools and SLA-backed support require paid subscriptions
  • Hypervisor support centers on KVM and LXC
Our verdict

VMmanager is a self-hosted virtualization management platform from ISPsystem LTD for hosting providers, service providers, and corporate or government IT teams. It manages KVM and LXD clusters, virtual machines, containers, virtual…

Read the review →

OpenNebula is an open-source cloud and virtualization management platform for organizations operating private, hybrid, edge, or sovereign cloud environments. It provides a unified control plane for virtual machines and Kubernetes clusters,…

Read the review →
  1. VMmanagerVirtualization Management Software 8.5Pricing on request · 30-day trial
  2. OpenNebulaVirtualization Management Software 8.3Free plan

Strengths and trade-offs

  • VMmanager — where it wins

    • Imports VMs from Hyper-V, VirtualBox, VMware, Xen, and QEMU-KVM
    • Combines KVM/LXD clusters with HA, live migration, and DRS
    • Includes self-service portals, APIs, and storage integrations

    Where it doesn't

    • Pricing requires contacting sales rather than showing an entry price
    • Self-hosted deployment is the only listed deployment model
    • No free plan and no AI features are included

  • OpenNebula — where it wins

    • Free Community Edition with the complete core platform
    • Live migration, high availability, and disaster-recovery workflows
    • Federation, Kubernetes, and extensive infrastructure integrations

    Where it doesn't

    • Enterprise subscription pricing requires a tailored quote
    • Enterprise tools and SLA-backed support require paid subscriptions
    • Hypervisor support centers on KVM and LXC
  • VMmanager8.5/10 · Pricing on request · 30-day trial

    Broad hypervisor import and cluster management for hosting-focused infrastructure teams.

    Visit VMmanagerFull verdict →
  • OpenNebula8.3/10 · Free plan

    A broad platform for managing virtual machines, Kubernetes, and hybrid-cloud operations.

    Visit OpenNebulaFull verdict →

More comparisons

All virtualization management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update