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virtme-ng vs QEMU: catalog facts
virtme-ng	QEMU
Free Free and open source.	Free Free and open source, with no paid edition.
Linux, Command line	Windows, macOS, Linux, Command line
Boots a test kernel without preparing a guest image Reuses the host system for a fast test loop	Emulates whole machines across processor architectures, not just same-architecture VMs Near native performance when paired with KVM or Xen
Linux only Aimed at kernel developers rather than general VM use	Raw QEMU is a command line tool with a large and unfriendly option surface Cross-architecture emulation is far slower than virtualisation on matching hardware
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 20, 2026

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