Free oVirt alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 5 oVirt alternatives we track can be used for free (free, open source, or with a free plan). Proxmox VE, XCP-ng and OpenStack rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	Proxmox VE	Open source	€120/year per CPU socket	Yes	Self-hosted, Web	4 of 4	68.8
2	XcXCP-ng	Open source	—	Yes	Self-hosted	4 of 4	64.8
3	OpenStack	Open source	—	Yes	Self-hosted, Linux	5 of 5	61.8
4	Apache CloudStack	Open source	—	Yes	Self-hosted, Web	4 of 4	59.4

1. Proxmox VETop pick
Best for: Businesses leaving VMware and home-lab users who want VMs and containers with a web UI
Open sourceSelf-hostableSelf-hosted, Web
68.8
score / 100
Why switch from oVirt
Debian-based and easier to install, with KVM, containers and an optional paid support subscription.
Pros
Free to use with all features, no edition limits
VMs (KVM) and containers (LXC) on one platform
Built-in clustering, HA, backups, ZFS and Ceph
Simple per-socket subscriptions with no per-core licensing
Cons
Enterprise update repository and support need a paid subscription
Limited multi-tenant self-service compared with OpenStack
Support tickets are capped per year on lower tiers
Visit Proxmox VE Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Proxmox VE a good oVirt alternative?
Verified facts
4 of 4 verified
Open source
Yes
Checked Nov 8, 2026proxmox.com(opens source in a new tab)
Virtualization
KVM and LXC
Checked Nov 8, 2026proxmox.com(opens source in a new tab)
Community subscription
€120/year per CPU socket
Checked Nov 8, 2026proxmox.com(opens source in a new tab)
Pricing basis
Per socket, not per core
Checked Nov 8, 2026proxmox.com(opens source in a new tab)
Xc
2. XCP-ng
Best for: Teams wanting free enterprise-grade VM hosting, especially those leaving VMware
Open sourceSelf-hostableSelf-hosted
64.8
score / 100
Why switch from oVirt
Open-source Xen platform with Xen Orchestra and commercial support available.
Pros
Free and open source, Linux Foundation hosted
Xen Orchestra web UI with built-in backup
Direct VM import from VMware ESXi
Commercial support available from Vates
Cons
Xen ecosystem is smaller than KVM's
Not a full self-service IaaS like OpenStack
Some Xen Orchestra conveniences are tied to paid plans
Visit XCP-ng Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is XCP-ng a good oVirt alternative?
Verified facts
4 of 4 verified
Current release
8.3 LTS
Checked Nov 8, 2026xcp-ng.org(opens source in a new tab)
Management
Xen Orchestra web UI, API or CLI
Checked Nov 8, 2026xcp-ng.org(opens source in a new tab)
VMware migration
Import from ESXi
Checked Nov 8, 2026xcp-ng.org(opens source in a new tab)
Governance
Xen Project, Linux Foundation
Checked Nov 8, 2026xcp-ng.org(opens source in a new tab)
3. OpenStack
Best for: Telcos, hosting providers and large enterprises building their own AWS-style cloud
Open sourceSelf-hostableSelf-hosted, Linux
61.8
score / 100
Why switch from oVirt
Fits teams that need a full private cloud with self-service tenants rather than a VM manager.
Pros
Free, Apache-licensed and vendor-neutral
Covers VMs, bare metal, storage and networking behind one set of APIs
Proven at very large scale, with many commercial distributions
Modular, so you deploy only the services you need
Cons
Complex to deploy, operate and upgrade
Needs a dedicated team or a paid distribution for production
Too heavy for a handful of servers
Visit OpenStack Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is OpenStack a good oVirt alternative?
Verified facts
5 of 5 verified
License
Apache 2.0
Checked Nov 8, 2026openstack.org(opens source in a new tab)
Scale
40M+ cores managed
Checked Oct 30, 2026openstack.org(opens source in a new tab)
Public clouds
180+ data centers
Checked Oct 30, 2026openstack.org(opens source in a new tab)
Management
APIs and web dashboard
Checked Nov 8, 2026openstack.org(opens source in a new tab)
SDK languages
Go, Python, Ruby, Java
Checked Nov 8, 2026openstack.org(opens source in a new tab)
4. Apache CloudStack
Best for: Hosting providers and MSPs who need a multi-tenant IaaS cloud without OpenStack's complexity
Open sourceSelf-hostableSelf-hosted, Web
59.4
score / 100
Why switch from oVirt
Open-source cloud platform that manages KVM, VMware and Xen pools with multi-tenancy.
Pros
Turnkey stack with UI, API, accounts and billing data built in
Works with VMware, KVM and XenServer hosts
EC2 and S3-compatible API for hybrid setups
Free under the Apache License 2.0
Cons
Smaller ecosystem and vendor community than OpenStack
Commercial support only through third parties
More than a small business with a few servers needs
Visit Apache CloudStack Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Apache CloudStack a good oVirt alternative?
Verified facts
4 of 4 verified
License
Apache-2.0
Checked Nov 1, 2026github.com(opens source in a new tab)
Hypervisors
VMware, KVM, XenServer, Xen
Checked Nov 8, 2026cloudstack.apache.org(opens source in a new tab)
AWS compatibility
EC2 and S3 API
Checked Nov 8, 2026cloudstack.apache.org(opens source in a new tab)
Type
IaaS cloud platform
Checked Nov 1, 2026github.com(opens source in a new tab)

Quick comparison

1. Proxmox VETop pick

Pros

Cons

Verified facts

2. XCP-ng

Pros

Cons

Verified facts

3. OpenStack

Pros

Cons

Verified facts

4. Apache CloudStack

Pros

Cons

Verified facts