Oracle VM VirtualBox enables desktop or laptop computers to simultaneously run multiple operating systems, allowing users to get the most flexibility and utilization out of their PCs. Supporting an extensive range of host and guest operating systems, the popularity of Oracle VM VirtualBox is evidenced by its more than 26 million downloads.
Oracle VM VirtualBox provides high performance, support for a large number of virtual appliances available in the OVF format, multi-platform application development and testing, 2D/3D graphics acceleration, and cutting-edge features—including the ability to teleport a running virtual machine between hosts. Available as open source, Oracle VM VirtualBox boasts of a large, vibrant user community. (See: Oracle VM VirtualBox) The link to its download page is here.