🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.

All-in-One Sandbox for AI Agents that combines Browser, Shell, File, MCP and VSCode Server in a single Docker container.

Chrome extension to let agents control your browser. Runs Playwright snippets in a stateful sandbox. Available as CLI or MCP

In-browser Postgres sandbox with AI assistance (formerly postgres.new)

Sandboxed runtime for programming languages and WASI binaries. Works in the browser, on your server, or via MCP.

Zapp! A free online sandbox environment for building Flutter applications in the browser.

Run the ”Respondus Lockdown Browser“ in the ”Windows Sandbox“

Your own Claude Code UI, sandbox, in-browser VS Code, terminal, multi-provider support (Anthropic, OpenAI, GitHub Copilot, OpenRouter), custom skills, and MCP servers.

DEPRECATED ⛔️ Android app to provide sandboxed (private) browsing of webapps

"Sandbox Accounts for Events" allows to provide multiple, temporary AWS accounts to a number of authenticated users simultaneously via a browser-based GUI.

Open-source sandboxes for code execution, browser use, and AI agents.

A fully-featured, GUI-powered local LLM Agent sandbox with complete MCP protocol support. Features both CLI and full desktop environment, enabling AI agents to operate browsers, terminal, and other desktop applications just like humans. Based on E2B oss code.

Lint, analyze, normalize, transform, sandbox, run, step through, and visualize user JavaScript, in node or the browser.

No Sandbox - Applications That Run Chromium and Chrome Without The Sandbox. TL;DR exploits in these browser based applications are already sandboxed escaped: https://no-sandbox.io/

Python browser sandbox.

Explore transactions and accounts on the Stacks blockchain. Clone any contract and experiment in your browser with the Explorer sandbox.

A browser-based virtual container runtime that enables server-like JavaScript execution environments directly in the browser. OpenWebContainer provides a sandboxed environment with a virtual file system, process management, and shell capabilities, making it possible to run server-side JavaScript applications entirely in the browser.

A secure sandbox to execute untrusted user JavaScript, in a web browser, without any risk to your own domain/site/page.

Sandbox for Postman Scripts to run in Node.js or browser

[WIP] Simple mobile applications sandbox file browser tool. Powered with [frida.re](https://www.frida.re).

Vue3 components that give you the power of editable sandboxes that run in the browser.

A browser sandbox that provides all basic features to understand the render and physics engine of Minecraft.

A simple iOS sandbox file browser, you can share files through AirDrop

Agent Sandbox is an E2B compatible, enterprise-grade ai-first, cloud-native runtime environment for AI Agents. Allows Agents to securely run untrusted LLM-generated Code, Browser use, Computer use, and Shell commands etc. with stateful, long-running, multi-session and multi-tenant.

Research, create, automate. Work so fast it feels like play. Get an ai co-worker on your machine. It can read-write files, code safely in sandbox, use your browser. Customize it with skills. Integrate with Jira, Linear, Slack etc. via MCP. Chat with Claude, GPT, Kimi, GLM, DeepSeek, Gemini

Create a new JavaScript context within the browser. This allows external scripts to be loaded and arbitrary JavaScript to be executed without affecting the global scope. Potential conflicts between scripts are avoided via the sandbox of a 'sourceless' iframe document.

browser editor for code that gets 'compiled' on the server with node and run on the client

A safe, developer-friendly, declarative interception web proxy with many features with a powerful web sandboxing library to bypass and overcome browser limitations in a secure sandbox that respects security features. This is a monorepo.

Run full-stack workloads directly in the browser. No installation or per-session cloud sandboxes required.

Kamino.js is a library for passing data structures between sandboxed environments in the browser via `postMessage`.