OpenNebula
OpenNebula is an open-source platform for cloud and virtualization management, developed and managed by OpenNebula Systems S.L. The company's EMEA headquarters is in Pozuelo de Alarcón near Madrid, Spain; it also lists...
OpenNebula is an open-source platform for cloud and virtualization management, developed and managed by OpenNebula Systems S.L. The company's EMEA headquarters is in Pozuelo de Alarcón near Madrid, Spain; it also lists...
Proxmox Virtual Environment (Proxmox VE) is an open-source server virtualization platform from Proxmox Server Solutions GmbH in Vienna, Austria. Martin and Dietmar Maurer founded the company in 2005; the first stable version...
SUSE Virtualization, formerly known as Harvester, is an open-source hyperconverged infrastructure (HCI) platform built on Kubernetes. It comes from SUSE, which was founded in 1992 and is run from Nuremberg, Germany, with...

XCP-ng is an open-source virtualization platform based on the Xen hypervisor and on the XenServer code. It is developed as a community project and backed by Vates SAS, a French open-source software...
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Submit SuggestionVMware, with vSphere and ESXi at its core, has been the standard virtualization platform in companies for many years. Broadcom, a US semiconductor and software group, completed its acquisition of VMware on 22 November 2023. On 11 December 2023 VMware by Broadcom announced the move of all products to subscription licenses: perpetual licenses are no longer sold, support and subscription renewals for perpetual offerings ended, and the portfolio was reduced to fewer bundles such as VMware Cloud Foundation. Existing perpetual licenses may still be used, but updates and support now require a subscription. For many customers this changed cost and planning, and that is why VMware alternatives are searched for so often.
A switch is a project, not a download. Features in use, such as snapshots or high availability, backup tools, storage and network design have to be mapped to the new platform, and a pilot with a few non-critical machines shows where gaps are. The comparison table and checklist are on virtualization platforms.