Alternatives to Zerobox

Zerobox and 4 alternative tools evaluated on the Tekai technology radar.

Zerobox

Subject

A lightweight CLI and TypeScript SDK that sandboxes processes using OS-level isolation with deny-by-default file, network, and credential controls.

open-source MIT

assess

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Alternatives

Leash by StrongDM

Container-based sandbox that monitors AI agent syscalls via eBPF and enforces access policies written in Cedar.

open-source Apache-2.0

assess

E2B

Managed cloud platform providing ephemeral Firecracker microVM sandboxes for AI agent code execution with sub-200ms cold starts.

vendor Apache-2.0

trial

Daytona

An AI code sandbox platform with sub-90ms creation times, persistent Docker-based environments, and Computer Use support for browser/desktop automation.

open-source Apache-2.0

assess

OpenSandbox

A self-hosted sandbox platform by Alibaba for executing untrusted AI agent code, with multi-language SDKs and Docker/Kubernetes runtime support.

open-source Apache-2.0

assess

Comparison Summary

Tool	Radar	Type	License
Zerobox	assess	open-source	MIT
Leash by StrongDM	assess	open-source	Apache-2.0
E2B	trial	vendor	Apache-2.0
Daytona	assess	open-source	Apache-2.0
OpenSandbox	assess	open-source	Apache-2.0

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