Portable-VirtualBox is a free and open source software tool that lets you run any operating system from a usb stick without separate installation. Developed by Runar Buvik
License: Open Source
Portable Virtualbox is ideal for lightweight and flexible virtualization needs, making it suitable for developers and testers on the go. In contrast, VMware vSphere Hypervisor is designed for enterprise environments where performance, scalability, and advanced features are critical.