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crosvm vs Cloud Hypervisor: catalog facts
crosvm	Cloud Hypervisor
Free Free to use, with source code published by Google.	Free Free and open source under the Linux Foundation.
Linux, Command line	Linux, Command line
Written in Rust with a focus on memory safety Each virtual device is isolated in its own sandbox	Small attack surface with few emulated devices, written in Rust Fast boot and low memory overhead
No graphical manager; guests are configured and started from the command line You supply your own kernel and root file system image	No graphical interface; built for infrastructure and automation Not aimed at legacy guests that need broad hardware emulation
Downloadable app	Downloadable app
Open source	Open 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 23, 2026

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