Agent Stack Directory

Code Sandboxes

Alternatives to Agent 37

7 code sandboxes tools you can use instead of Agent 37, 3 of them open source. Summaries come from each vendor's own site. Links checked Oct 16, 2026.

About Agent 37

Cloud sandboxes for running AI agents, positioned as lower-cost agent infrastructure.

Code SandboxesNew

At a glance

Agent 37 alternatives compared

Alternatives to Agent 37
ToolWhat it doesOpen sourceHead to head
AIO SandboxAll-in-one agent sandbox with browser, shell, file access, VSCode Server, and MCP in one container.YesAgent 37 vs AIO Sandbox
Cloudflare Sandbox SDKRun untrusted or generated code in Linux VMs or isolated Workers on Cloudflare.NoAgent 37 vs Cloudflare Sandbox SDK
DaytonaSecure sandboxes for running AI-generated code.YesAgent 37 vs Daytona
E2BIsolated cloud machines for agents to run code, browse, and use tools.YesAgent 37 vs E2B
ModalServerless cloud for running, training, and serving AI workloads, including sandboxes.NoAgent 37 vs Modal
RunloopCode sandboxes (Devboxes) for AI coding agents, plus evaluations.NoAgent 37 vs Runloop
Vercel SandboxIsolated Linux microVMs on Vercel for untrusted or agent-generated code.NoAgent 37 vs Vercel Sandbox

Code Sandboxes

All 7 alternatives

Category page

FAQ

Questions

What are the alternatives to Agent 37?

Agent Stack Directory lists 7 other code sandboxes tools: AIO Sandbox, Cloudflare Sandbox SDK, Daytona, E2B, Modal, Runloop, Vercel Sandbox.

Is there an open-source alternative to Agent 37?

Yes. Among the alternatives we list, these are marked open source: AIO Sandbox, Daytona, E2B.

What does Agent 37 do?

Cloud sandboxes for running AI agents, positioned as lower-cost agent infrastructure. (Summary based on agent37.com, link checked 2026-10-16.)

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