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krunvm vs crosvm: catalog facts
krunvm	crosvm
Free Free to use from its GitHub repository.	Free Free to use, with source code published by Google.
macOS, Linux, Command line	Linux, Command line
Builds microVMs directly from OCI images Fast boot with a small footprint	Written in Rust with a focus on memory safety Each virtual device is isolated in its own sandbox
Command-line only Depends on libkrun and buildah being installed	No graphical manager; guests are configured and started from the command line You supply your own kernel and root file system image
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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