SEE: All of TechRepublic's smart person's guides Executive summary We'll update this resource periodically when news and updates about VirtualBox are released. This smart person's guide is a quick way to get up to speed on VirtualBox. Anyone that wants to test out new platforms, develop, or manage virtual machine (VM) servers can turn to this free, open source tool to strengthen their skills or expand their company's services. VirtualBox has been enabling open source enthusiasts, IT admins, and tech writers to host various operating systems on a host machine for years.