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|Privately held company|
|Genre||Virtualization and Storage|
|Headquarters||Seattle, Washington, USA|
Virtuozzo is a privately held software company, specializing in virtualization software. It used to be a part of the Parallels company, but became an independent business entity in 2016. Virtuozzo is a pioneer in the operating system-level virtualization field, as it developed the ﬁrst commercially available container technology in 2000, which was open-sourced in 2005 in the form of OpenVZ.
The company was founded in 1997 under the name SWsoft and maintained its headquarters in Herndon, Virginia with additional offices throughout North America, Europe, and Asia. Its research and development offices were located in Moscow, Russia, and it had sales offices in Germany and Singapore. In January 2002, Virtuozzo 2.0 containers virtualization solution was released. In 2003, SWsoft acquires makers of Confixx and Plesk web hosting products, and got more offices in Germany and Novosibirsk, Russia. In December 2007, after acquisition of Parallels, Inc., a company announced its plans to change its name to Parallels and ship its products under the Parallels brand name.
- "Initial public prerelease of Virtuozzo (named ASPcomplete at that time)".
- ISP-Planet - Webhosting - SWsoft's Moscow Edge
- SWsoft releases Virtuozzo 2.0, bringing mainframe-inspired functionality to Intel-based servers
- SWsoft Buys Plesk, Yippi-Yeah! Automation Firms