Virtualization

Open-source VMM for running cloud workloads with minimal footprint.

Lightweight VMs that integrate seamlessly with container ecosystems.

Lightweight VMM for creating and managing microVMs.

Open-source Xen-based hypervisor. Fork of Citrix XenServer. Enterprise features with no license restrictions. Managed via Xen Orchestra.

Open-source server virtualization platform. Manages KVM virtual machines and LXC containers. Web UI, HA clustering, backup, and software-defined storage.

Illumos-based hypervisor OS combining ZFS, DTrace, and KVM.

Build and distribute development environments. Provision VMs with a single file (Vagrantfile). Supports VirtualBox, VMware, Hyper-V, and Docker.

Desktop GUI for managing KVM virtual machines via libvirt. Create, configure, and run VMs with a graphical interface. Supports remote management.

Kernel-based Virtual Machine — full virtualization solution for Linux. Turns Linux into a type-1 hypervisor. Near-native performance for guest VMs.

Next-generation system container and VM manager.

Application kernel for containers that provides sandboxed process execution.

Lightweight VM manager by Canonical. Spin up Ubuntu instances in seconds. Supports cloud-init, shared mounts, and bridge networking.

Minimal Linux hypervisor image optimized for running virtual machines.

Virtual machines for macOS. Run Windows, Linux, and more on Apple Silicon and Intel Macs. Based on QEMU with native macOS interface.

Community fork of LXD for managing system containers and VMs.

Linux container runtime providing OS-level virtualization.

BSD hypervisor that runs virtual machines on FreeBSD.

Generic, open-source machine emulator and virtualizer. Emulates full systems including processors. Used as backend for KVM and Xen.

Open-source virtualization management platform. Web-based management for KVM. Supports live migration, storage management, and network configuration.

Free, powerful x86 and AMD64/Intel64 virtualization product. Run multiple operating systems simultaneously. Supports snapshots, shared folders, and USB passthrough.