App Sandbox
App Sandbox is a virtual machine app that creates isolated Windows, Ubuntu, and macOS desktops for testing software and running computer-use agents.
What it is good for
- Running software in a separate desktop kept away from main files
- Testing software on a clean Windows or Ubuntu install
- Running a computer-use AI agent in its own virtual machine
- Scripting creation and snapshots of virtual machines from code
At a glance
- Who it is for
- Setup
- Install a desktop app or browser extension
Level 3 of 5. Download and install it like any other app or extension.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
- Works with
- Claude Cowork, Docker, Phaze, Claude computer use, Windows Sandbox
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 902
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is App Sandbox free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use App Sandbox?
- No. Download and install it like any other app or extension.
- What does App Sandbox work with?
- According to its own documentation, it works with Claude Cowork, Docker, Phaze, Claude computer use, and Windows Sandbox.
- What is App Sandbox good for?
- Running software in a separate desktop kept away from main files, testing software on a clean Windows or Ubuntu install, running a computer-use AI agent in its own virtual machine, and scripting creation and snapshots of virtual machines from code.
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