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Virtual Machine Manager vs nEMU: catalog facts
Virtual Machine Manager	nEMU
Free Free and open source under the GPL 2.0, maintained by Red Hat.	Free Free and open source under the BSD-2-Clause license.
Linux	macOS, Linux, Command line
The standard interface for KVM, so guides and answers are everywhere Command line tools for creating and editing machines without a desktop	Manage VM lifecycle and settings in a terminal interface Connect to virtual machines through VNC or SPICE
Linux only The interface is functional and has barely changed in years	Requires QEMU
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-2-Clause
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

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