Xen

Xen (pronounced /ˈzɛn/) is a free and open-source type-1 hypervisor, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. It was originally developed by the University of Cambridge Computer Laboratory and is now being developed by the Linux Foundation with support from Intel, Citrix, Arm Ltd, Huawei, AWS, Alibaba Cloud, AMD, Bitdefender and epam.

This article is about the virtualization software. For other uses, see Xen (disambiguation).

Original author(s)Keir Fraser, Steven Hand, Ian Pratt, University of Cambridge Computer Laboratory
Developer(s)Linux Foundation
Intel
Initial releaseOctober 2, 2003 (2003-10-02)
Stable release
4.18.0  / 17 November 2023 (17 November 2023)
Repository
Written inC
TypeHypervisor
LicenseGPLv2
Websitexenproject.org

The Xen Project community develops and maintains Xen Project as free and open-source software, subject to the requirements of the GNU General Public License (GPL), version 2. Xen Project is currently available for the IA-32, x86-64 and ARM instruction sets.

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