VirtualBox is an open-source virtualization software that allows users to run multiple operating systems on a single machine. It supports a wide range of guest operating systems, including Windows, Linux, and macOS. VirtualBox is widely used for software testing, development, and creating isolated environments for different operating systems. It’s free and offers features such as snapshots, seamless mode, and remote access.
- Portable version that works without needing to interact with external cloud servers
- Portable version that works directly from a USB drive without installation