VirtulaBox is an open source software to run virtual systems on top of a physical system. Virtual systems are normally used for providing separate environment for each client sharing a single physical system. Developed by Oracle
License: Open Source
VirtualBox is ideal for desktop virtualization and testing due to its user-friendly interface and support for various host operating systems. In contrast, Xen is designed for high-performance server virtualization, making it more suitable for enterprise environments with advanced resource management and security features.