VirtulaBox is an open source software to run virtual systems on top of a physical system. Virtual systems are normally used for providing separate environment for each client sharing a single physical system. Developed by Oracle
License: Open Source
VMware Fusion is a software hypervisor developed by VMware for Macintosh computers. VMware Fusion allows Intel-based Macs to run operating systems such as Microsoft Windows, Linux, NetWare, or Solaris on virtual machines, along with their Mac OS X operating system using a combination of paravirtualization, hardware virtualization and dynamic recompilation. Developed by VMware
License: Commercial
VirtualBox is a free and open-source virtualization tool that offers cross-platform compatibility and extensive community support, making it ideal for users who need flexibility. VMware Fusion, on the other hand, is a premium product optimized for macOS, providing superior performance and integration with Mac features, but at a higher cost.