An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

Secure and fast microVMs for serverless computing.

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

Application Kernel for Containers

Sandboxie Plus & Classic

A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).

Memory for 24/7 proactive agents like openclaw (moltbot, clawdbot).

Secure, Fast, and Extensible Sandbox runtime for AI agents.

Let AI agents browse the web. An autonomous toolkit for browser-based AI agents.

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Sandbox for developing and testing UI components in isolation

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

Linux namespaces and seccomp-bpf sandbox

Real - time non-invasive AOP framework container based on JVM

Public malware techniques used in the wild: Virtual Machine, Emulation, Debuggers, Sandbox detection.

🔥 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.

Low-level unprivileged sandboxing tool used by Flatpak and similar projects

Run GUI applications and desktops in docker and podman containers. Focus on security.

Open-source Next.js template for building apps that are fully generated by AI. By E2B.

A component toolkit for creating live-running code editing experiences, using the power of CodeSandbox.

Cuckoo Sandbox is an automated dynamic malware analysis system

local-first and programmable sandboxes for AI agents

Console-based GLSL Sandbox for 2D/3D shaders

Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.

Linux application sandboxing and distribution framework

Magicrew. The first open-source all-in-one AI productivity platform (Generalist AI Agent + Workflow Engine + IM + Online collaborative office system)

iOS Debugging Tool 🚀