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
Parallels Desktop offers a more polished user experience and better performance, especially on macOS, while VirtualBox is a free, open-source alternative that provides basic virtualization features but lacks some advanced capabilities. Users may prefer Parallels for intensive tasks and seamless integration, whereas VirtualBox is suitable for budget-conscious users needing basic virtualization.