What is BoxLite Open Source?
BoxLite Open Source is an AI developer tool that runs real microVMs programmatically through a library, giving AI agents and containerized workloads a hardware-isolated, stateful environment without a daemon, root access, or the cloud. Each sandbox is a genuine virtual machine with its own Linux kernel, isolated via KVM on Linux, the Hypervisor.framework on macOS, or WSL2 on Windows, so an agent that runs untrusted code stays contained at the hardware level. State is persistent: packages, files, and environment survive stop and restart, and the full state can be snapshotted and forked copy-on-write, which makes it practical to branch an agent's workspace. Any OCI image runs unmodified, and there are SDKs for Python, Node.js, Go, and C on top of a Rust core and CLI. On BestAIFor the appeal is local-first execution you embed directly in your code and run on a laptop, a cluster, or a customer's machine, rather than renting a sandbox service. The open-source edition is Apache 2.0 licensed and free; a separate managed cloud exists at boxlite.ai. The tradeoff is that running microVMs yourself means you own the host setup and operational overhead.
What is BoxLite Open Source used for?
Running AI agents and untrusted code in hardware-isolated, stateful microVMs locally or on customer machines.
How much does BoxLite Open Source cost?
Managed cloud
separate offering at boxlite.ai — pricing not published on the open-source page
Pros and cons
Pros
- Real microVMs with their own Linux kernel, isolated via KVM, Hypervisor.framework, or WSL2
- Stateful sandboxes: packages, files, and environment survive stop and restart
- Full state can be snapshotted and forked copy-on-write to branch an agent's workspace
- Runs any OCI image unmodified with SDKs for Python, Node.js, Go, and C
- Apache 2.0 licensed and free, with no daemon or root requirement
Cons
- Self-hosting microVMs means you own host setup and operational overhead
- Requires virtualization support (KVM, Hypervisor.framework, or WSL2) on the host
- Advanced features and scale may push you toward the separate paid managed cloud
Questions about BoxLite Open Source
What is BoxLite Open Source used for?
BoxLite Open Source is used to run AI agents and containerized workloads inside hardware-isolated microVMs on your own machines, giving untrusted code a safe, stateful sandbox without a daemon, root access, or cloud infrastructure.
Is BoxLite Open Source free?
Yes. The open-source edition of BoxLite is released under the Apache 2.0 license and is free to use. A separate managed cloud version is available at boxlite.ai.
What platforms does BoxLite run on?
BoxLite runs microVMs using KVM on Linux, the Hypervisor.framework on macOS, and WSL2 on Windows, with SDKs for Python, Node.js, Go, and C on top of a Rust core and CLI.
How is BoxLite different from containers?
BoxLite provides real virtual machines with their own Linux kernel and hardware-level isolation, rather than sharing the host kernel like containers. It also keeps state across restarts and can snapshot and fork copy-on-write.
What are the best alternatives to BoxLite Open Source?
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