InnoTek VirtualBox is a powerful, open-source virtualization software that allows users to run multiple operating systems simultaneously on a single machine. It supports a wide range of guest operating systems, including Windows, Linux, macOS, and more. VirtualBox is known for its flexibility, ease of use, and strong performance, making it an ideal solution for developers, testers, and anyone needing to run virtual environments. With features like seamless integration, snapshot management, and robust networking options, VirtualBox is a versatile tool for both personal and professional use.