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crosvm vs krunvm: catalog facts
crosvm	krunvm
Free Free to use, with source code published by Google.	Free Free to use from its GitHub repository.
Linux, Command line	macOS, Linux, Command line
Written in Rust with a focus on memory safety Each virtual device is isolated in its own sandbox	Builds microVMs directly from OCI images Fast boot with a small footprint
No graphical manager; guests are configured and started from the command line You supply your own kernel and root file system image	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 September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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