Compare software

Cloud Hypervisorsmolvm
Free

Free and open source under the Linux Foundation.

 Free

The smolvm runtime is free and open source; the separate smol cloud service includes $10…

Linux, Command line Windows, macOS, Linux, Self-hosted, Command line
  • Small attack surface with few emulated devices, written in Rust
  • Fast boot and low memory overhead
  • Hardware isolation for each workload in a lightweight microVM
  • Runs on macOS, Linux and Windows
  • No graphical interface; built for infrastructure and automation
  • Not aimed at legacy guests that need broad hardware emulation
  • Aimed at developers rather than desktop virtualization users
  • Runs Linux guests only
Downloadable app Downloadable app, Self-hosted
Open source Open source
License not stated License: Apache-2.0
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

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