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Quickgui vs Virtual Machine Manager: catalog facts
Quickgui	Virtual Machine Manager
Free Free to download and use.	Free Free and open source under the GPL 2.0, maintained by Red Hat.
macOS, Linux	Linux
Downloads operating system images and creates VMs from a list Graphical control over Quickemu virtual machines	The standard interface for KVM, so guides and answers are everywhere Command line tools for creating and editing machines without a desktop
Depends on Quickemu and QEMU being installed No Windows version	Linux only The interface is functional and has barely changed in years
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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