VirtualBox vs Proxmox VE
Both are free virtualization tools. Here is how they actually differ.
VirtualBox and Proxmox VE at a glance
| Feature | VirtualBox | Proxmox VE |
|---|---|---|
| Developer | Oracle | Proxmox Server Solutions |
| Licence | Open Source | Open Source |
| Cost | Free | Free |
| Windows | Yes | No |
| macOS | Yes | No |
| Linux | Yes | Yes |
| Mobile | No | No |
| Source code | Public | Public |
VirtualBox: what it's good at
VirtualBox runs complete guest operating systems inside your current one — ideal for testing software safely, running legacy applications, or learning Linux without touching your existing installation.
- Runs Windows, Linux and BSD guests
- Snapshots to roll back a machine instantly
- Shared folders and clipboard with the host
- Free and open source
Proxmox VE: what it's good at
Proxmox VE installs directly onto hardware rather than inside an existing OS, managing virtual machines and containers through a web interface. It is the standard choice for home labs and small-business servers, offering clustering and live migration free.
- Installs bare-metal, managed via web UI
- KVM virtual machines plus LXC containers
- Clustering and live migration
- Built-in backup and snapshots
Which should you choose?
Both are free, so the honest answer is that you can install either and decide for yourself — that is the advantage of free software over a paid trial.
Both run on Linux. Only VirtualBox supports Windows, macOS. Both are open source, so neither locks you in.
We deliberately do not publish a star rating for either. We have no way to verify a rating that would be honest at scale, and an invented one would be worse than none — so we give you the facts and let you decide.
Frequently asked questions
Is VirtualBox better than Proxmox VE?
Neither is universally better. VirtualBox run Windows, Linux and other systems in a window, while Proxmox VE bare-metal virtualisation platform for servers and home labs. The right pick depends on your platform and workflow.
Are both really free?
VirtualBox is open source and Proxmox VE is open source. Both can be downloaded without paying.
Can I install both?
Yes. Since neither costs anything, installing both and comparing them on your own files is usually the fastest way to decide.