Xen Project is a hypervisor using a microkernel design, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. Developed by Citrix
License: Open Source
Xen is an open-source hypervisor that offers flexibility and customization options, making it suitable for various environments, particularly those using Linux. In contrast, Microsoft Hyper-V Server is tightly integrated with the Windows ecosystem, providing a user-friendly experience and robust support for Windows-based applications.