QEMU (short for Quick Emulator) is a free and open-source hosted hypervisor that performs hardware virtualization QEMU is a hosted virtual machine monitor. Developed by Fabrice Bellard
License: Open Source
VirtualBox is known for its user-friendly interface and ease of use, making it suitable for desktop virtualization and testing environments. In contrast, QEMU offers greater flexibility and performance, especially for server virtualization and embedded systems, but comes with a steeper learning curve and requires more technical expertise.