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 |
1Best for: Businesses leaving VMware and home-lab users who want VMs and containers with a web UI
Open sourceSelf-hostableSelf-hosted, Web
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
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
2XcBest for: Teams wanting free enterprise-grade VM hosting, especially those leaving VMware
Open sourceSelf-hostableSelf-hosted
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
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
3Best for: Telcos, hosting providers and large enterprises building their own AWS-style cloud
Open sourceSelf-hostableSelf-hosted, Linux
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
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
4Best for: Hosting providers and MSPs who need a multi-tenant IaaS cloud without OpenStack's complexity
Open sourceSelf-hostableSelf-hosted, Web
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
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