The best open source alternative to VirtualBox is WinBoat. If that doesn't suit you, our users have ranked more than 50 alternatives to VirtualBox and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to VirtualBox are QEMU, Proxmox Virtual Environment, KVM (Kernel-based Virtual Machine) and virt-manager.
Runs Windows applications, individual apps, or full desktops inside Linux with native OS-level integration, sleek interface, advanced filesystem sharing, smartcard passthrough, and resource monitoring while supporting simple installation and ongoing feature updates.
Romania
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QEMU, an open-source hypervisor, performs hardware virtualization, emulates CPUs using dynamic binary translation, and supports various architectures. It runs diverse unmodified guest OS, provides device models, and offers mixed translation modes for efficient execution.
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Proxmox Virtual Environment is a complete and easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines. Proxmox VE tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single...
AustriaEU
KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.
Comprehensive desktop tool for managing virtual machines using libvirt, supporting KVM, Xen, and Linux Containers. It offers performance stats, resource allocation and virtual hardware configuration with VNC and SPICE clients for graphical consoles.
Australia
An open-source QEMU-based host for creating, configuring, and running virtual machines on Macs, iOS, and visionOS. It supports full-system emulation across multiple processor architectures, plus hardware-assisted virtualization and macOS guests on ARM-based Macs.
United States
Native macOS app for running macOS and Linux virtual machines, built with Swift and Apple's Virtualization framework.
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A simple GNOME application to access virtual systems. It is based on a design from Jon McCann and Jakub Steiner.
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Xen.org, home of the Xen hypervisor, the powerful open source industry standard for virtualization. It is a native (bare-metal) hypervisor providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently.
United States
Lima launches Linux virtual machines on macOS, with automatic file sharing, port forwarding, and containerd.
XCP-ng is a high-performance, enterprise-level hypervisor with a rich ecosystem and is the result of massive cooperation between individuals and companies. All commercial features are enabled with no commitment required to a support agreement.
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