VMware Inc., a wholly-owned subsidiary of EMC Corporation, supplies proprietary virtualization software for x86-compatible computers, including VMware Workstation and the freeware VMware Server and VMware Player products. The company has its headquarters in Palo Alto, California, United States, and established an R&D Center in Cambridge, Massachusetts in 2005. VMware software runs on Windows and on Linux, and made its http://www.vmware.com/fusionbeta debut on Mac OS X in December, 2006.