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vfkit vs krunvm: catalog facts
vfkit	krunvm
Free Free and open source.	Free Free to use from its GitHub repository.
macOS, Command line	macOS, Linux, Command line
Uses Apple's native Virtualization framework Scriptable from the command line	Builds microVMs directly from OCI images Fast boot with a small footprint
macOS only No graphical interface	Command-line only Depends on libkrun and buildah being installed
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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