smolvm
Portable, branchable virtual machine for running agents safely on your computer.
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About smolvm
smolvm is listed in our sandboxes & code execution category and is aimed at builders. Portable, branchable virtual machine for running agents safely on your computer. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-16.
What is smolvm?
smolvm embeds lightweight virtual machines into your software for portable dev environments and local sandboxing, so agents can run safely on your computer.
It runs on Windows (with the Windows Hypervisor Platform) and other platforms, and its docs are written for both humans and coding agents.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: smolmachines.com.
Who is smolvm for?
Developers who want branchable, portable VMs for running agents locally.
smolvm at a glance
- Open source: Yes (Apache License 2.0)
- GitHub: smol-machines/smolvm · 6,783 stars (as of Oct 21, 2026)
Key features
- Lightweight embeddable VMs
- Local sandboxing
- Docs for humans and agents
smolvm FAQ
What is smolvm?
smolvm embeds lightweight virtual machines into your software for portable dev environments and local sandboxing, so agents can run safely on your computer.
Who is smolvm for?
Developers who want branchable, portable VMs for running agents locally.
Is smolvm free?
smolvm's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is smolvm open source?
Yes. smolvm is released under the Apache License 2.0, according to its GitHub repository.
What are alternatives to smolvm?
Similar tools include CubeSandbox, E2B, microsandbox, BoxLite, ArcBox and Judge0.
smolvm ratings and reviews
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smolvm alternatives
Other sandboxes & code execution tools in our directory. See all sandboxes & code execution tools →
CubeSandbox
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E2B
Secure cloud sandboxes for running agent-generated code.
microsandbox
Local-first microVM runtime for running untrusted agent code safely.
BoxLite
Embeddable micro-VM for running AI agents.
ArcBox
Runs AI agents on isolated machines with their own kernel, filesystem and network.
Judge0
Sandboxed code execution system for running untrusted code from people and AI.
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