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Virtual Machine Manager vs Cockpit Machines: catalog facts
Virtual Machine Manager	Cockpit Machines
Free Free and open source under the GPL 2.0, maintained by Red Hat.	Free Free and open source.
Linux	Linux, Web, Self-hosted
The standard interface for KVM, so guides and answers are everywhere Command line tools for creating and editing machines without a desktop	Manage libvirt VMs from a web browser Fits into an existing Cockpit console
Linux only The interface is functional and has barely changed in years	Requires Cockpit and libvirt on a Linux host Not a standalone application
Downloadable app	Self-hosted
Open source	Open source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.