QEMU

A generic and open source machine emulator and virtualizer.

• Full-system emulation: Run operating systems for any machine, on any supported architecture
• User-mode emulation: Run programs for another Linux/BSD target, on any supported architecture
• Virtualization: Run KVM and Xen virtual machines with near native performance

Homepage: https://www.qemu.org/
Gitlab: https://gitlab.com/qemu-project/qemu