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Cloud HypervisorFirecracker
Free

Free and open source under the Linux Foundation.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Linux, Command line Linux, Command line
  • Small attack surface with few emulated devices, written in Rust
  • Fast boot and low memory overhead
  • Targets container and function-based server infrastructure.
  • No graphical interface; built for infrastructure and automation
  • Not aimed at legacy guests that need broad hardware emulation
  • Requires Linux virtualization support and low-level configuration.
Downloadable app Downloadable app
Open source Open source
License not stated License: Apache-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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