ACRN Hypervisor
ACRN Hypervisor: A free, Intel-focused hypervisor for mixed guest operating systems and embedded workloads. Ranked #22 of 26 in Hypervisor Software by our editors (6.5/10); pricing: Free plan; best for embedded and mixed-guest virtualization.
At a glance
- Editor score6.5 / 10
- PricingFree plan
- Best forEmbedded and mixed-guest virtualization
- Free planYes
- Paid fromFree
- Management interfaceCli
- Founded2018
- Facts checked21 Sep 2026
Where it wins
- Runs multiple Linux, Windows, and real-time guest operating systems
- Supports partitioned resources, device passthrough, and VM isolation
- Integrates with OpenStack, Docker, Kubernetes, and Kata Containers
Where it doesn't
- Host support is limited to Intel x86 bare-metal hardware
- Management is centered on command-line tools
- Primarily targets embedded, automotive, industrial, IoT, and edge systems
Our verdict on ACRN Hypervisor
ACRN Hypervisor is an open-source Type 1 hypervisor reference stack for embedded, IoT, automotive, industrial, and edge systems. It runs directly on Intel x86 bare-metal hardware and supports guest operating systems including Linux, Windows, Zephyr, VxWorks, Xenomai, Celadon, and Android. The product is aimed at teams that need to isolate mixed workloads, combine general-purpose and real-time guests, or manage virtualization as part of an embedded system rather than a broad, general-purpose server platform.
The free open-source model keeps the entry point straightforward. ACRN focuses on configurable resource control, with shared, partitioned, and hybrid VM scenarios, static CPU assignment, optional CPU sharing, and nested virtualization. Its ACRN Device Model provides virtual device emulation, while PCI, USB controller, and other device passthrough options support workloads that need access to hardware. VM lifecycle management is available through acrnctl and acrnd, and the ACRN Configurator supports scenario configuration. These capabilities make the project relevant where isolation, predictable allocation, and hardware access matter more than a graphical administration experience.
Ecosystem fit is another reason to consider ACRN: the project integrates with OpenStack, Docker, Kubernetes, and Kata Containers. That gives embedded and edge teams paths to connect hypervisor-managed workloads with familiar infrastructure and container tooling. The trade-off is a focused host scope and a command-line management interface. ACRN is a suitable choice for engineering teams building on Intel bare-metal hardware with mixed guest requirements, device passthrough needs, or real-time considerations. Teams seeking broad host-platform coverage or a primarily graphical management workflow should consider another hypervisor.
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ACRN Hypervisor pricing
ACRN Hypervisor fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Host platforms | Intel x86 bare-metal hardware |
| Guest OS support | Linux, Windows, Zephyr, VxWorks, Xenomai, Celadon, Android |
| Management interface | Cli |
| Max vCPUs per VM | Not verified |
| VM snapshots | Not verified |
| Live migration | Not verified |
| Nested virtualization | Yes |
| Deployment | Self-hosted |
| Platforms | Linux |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: OpenStack, Docker, Kubernetes, Kata Containers |
| Pricing | Free plan |
| Website | projectacrn.org |
| Facts checked | 21 Sep 2026 |
ACRN Hypervisor integrations
ACRN Hypervisor lists 4 integrations on its own site.
- OpenStack
- Docker
- Kubernetes
- Kata Containers
Alternatives to ACRN Hypervisor
- Proxmox VEA self-hosted KVM/LXC platform with clustering, migration, backup, and API access.9.4
- OpenNebulaA capable open-source control plane for KVM/LXC, Kubernetes, and hybrid infrastructure.9.2
- oVirtA free, self-hosted KVM manager with live migration, HA, DR, APIs, and automation.9.0
See all ACRN Hypervisor alternatives →
Also Ranked In
ACRN Hypervisor is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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