Sandboxes and secure execution tools for coding agents

Deer Flow

researchOpen source

ByteDance's open-source long-horizon agent harness that researches, codes and creates using sandboxes, memory and sub-agents.

Added Oct 16, 2026

Context Mode

codingSource-available + cloud

Context window optimizer for coding agents that sandboxes tool output and persists session memory.

Added Oct 16, 2026

NVIDIA OpenShell

sandboxes & code executionOpen source

Sandboxed runtime for autonomous agents with declarative YAML policies on file, network and credential access.

Added Oct 14, 2026

OpenSandbox

sandboxes & code executionOpen source

Secure, fast sandbox runtime for AI agents to run code.

Added Oct 16, 2026

CubeSandbox

sandboxes & code executionOpen source

Lightweight, concurrent sandbox for running AI agent code securely.

Added Oct 16, 2026

Open SWE

NewcodingOpen source

LangChain's asynchronous coding agent that takes work from GitHub issues, Slack or Linear, implements it in an isolated sandbox and opens a pull request.

Added Oct 17, 2026

microsandbox

sandboxes & code executionOpen source

Local-first microVM runtime for running untrusted agent code safely.

Added Oct 16, 2026

Fragments

Newapp buildersOpen source

E2B's open-source Next.js template for AI-generated apps, like Claude Artifacts or v0, with generated code run in secure E2B sandboxes.

Added Oct 18, 2026

AIO Sandbox

Newsandboxes & code executionOpen source

All-in-one Docker sandbox for AI agents that combines a browser, shell, files, MCP, VS Code Server and Jupyter in one container.

Added Oct 18, 2026

agentOS

Newsandboxes & code executionOpen source + cloud

A lightweight operating system for agents from Rivet that runs coding agents and their tools inside fast WebAssembly sandboxes with a file system, processes and networking, so you can spin up thousands cheaply.

Added Oct 20, 2026

nono

sandboxes & code executionOpen source

Zero-trust sandboxing for agent runtimes.

Added Oct 16, 2026

Judge0

sandboxes & code executionOpen source + cloud

Sandboxed code execution system for running untrusted code from people and AI.

Added Oct 16, 2026

ArcBox

sandboxes & code executionOpen source

Runs AI agents on isolated machines with their own kernel, filesystem and network.

Added Oct 16, 2026

HolmesGPT

codingOpen source

CNCF sandbox SRE agent that investigates alerts and incidents.

Added Oct 16, 2026

forkd

Newsandboxes & code executionOpen source

MicroVM sandbox runtime for AI agent fan-out that forks KVM-isolated child VMs from a warm snapshot in milliseconds.

Added Oct 18, 2026

Zeroboot

Newsandboxes & code executionOpen source + cloud

VM sandboxes for running agent code that start in under a millisecond by forking a warm snapshot with copy-on-write memory.

Added Oct 19, 2026

Mantis

Newsecurity & governanceOpen source

Google's toolkit for AI coding agents to autonomously find, reproduce and patch software vulnerabilities in isolated environments.

Added Oct 18, 2026

Agent Safehouse

Newsandboxes & code executionOpen source

macOS sandbox for local coding agents that limits file and integration access with deny-first policy profiles.

Added Oct 18, 2026

Perplexity SPACE

Newsandboxes & code executionOpen source

Perplexity's open-source sandbox platform that runs each agent task in its own Firecracker microVM, with credentials and network access controlled from outside.

Added Oct 18, 2026

Lody

NewcodingOpen source + cloud

A team workspace for running AI coding agents in parallel in isolated Git worktrees, with live diff review, GitHub integration and access from phone or desktop.

Added Oct 20, 2026

Cloudflare Sandbox SDK

Newsandboxes & code executionOpen source + cloud

SDK for running isolated code sandboxes on Cloudflare's network, so agents can execute commands and files safely from a Worker.

Added Oct 18, 2026

Pydantic Deep Agents

NewcodingOpen source

Self-hosted terminal AI assistant and Python framework on Pydantic AI, with tool calling, sandboxed execution, multi-agent teams and checkpoints.

Added Oct 18, 2026

Tensorlake

Newsandboxes & code executionOpen source + cloud

Serverless runtime that gives agents MicroVM sandboxes and durable orchestration for long-running background jobs.

Added Oct 18, 2026

ThinkRail

NewcodingOpen source

JetBrains' lightweight agentic IDE that pairs you with the pi coding agent, with isolated git-worktree workspaces, editor tabs, terminals and diffs.

Added Oct 20, 2026

Cloudroom

NewcodingOpen source + cloud

Cloudroom runs Claude Code, Codex, Pi and other coding agents in the cloud, each in its own isolated sandbox on its own Git branch, using your own model logins; the Rust core is open source to self-host, and a desktop app manages local and cloud agents.

Added Oct 20, 2026

Mirror CLI

NewcodingSee site

Reflection AI's terminal coding agent that reads code, edits files and runs commands in isolated git worktrees, using the open-weight Beam model by default.

Added Oct 18, 2026

Conductor

NewcodingFreemium

Runs a team of coding agents such as Claude Code and Codex in isolated cloud sandboxes, with Mac and iPhone apps to review and merge their work.

Added Oct 19, 2026

E2B

sandboxes & code executionOpen source + cloud

Secure cloud sandboxes for running agent-generated code.

Added Oct 14, 2026

Modal

sandboxes & code executionFreemium

Serverless compute and sandboxes for AI workloads.

Added Oct 14, 2026