# Mockoon (open-source design and publishing app)

> Mockoon is a free, open-source design and publishing app for Windows, macOS and Linux. Mockoon is the easiest and quickest way to run mock APIs locally. It has 8,439 GitHub stars and is released under the MIT license. Its source code is on GitHub at mockoon/mockoon.

Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/mockoon/mockoon |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 8,439 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | TypeScript |
| Website | https://mockoon.com |
| Official | yes (published by the project behind the app) |
| Category | Vector, design & publishing |
| Latest release | v9.9.0 (Sep 16, 2026) |
| Last commit | Oct 5, 2026 |

## Install

### Homebrew (macOS)

```sh
brew install --cask mockoon
```

Package page: https://formulae.brew.sh/cask/mockoon

### Chocolatey (Windows)

```sh
choco install mockoon
```

Package page: https://community.chocolatey.org/packages/mockoon

### Snap (Linux)

```sh
snap install mockoon
```

Package page: https://snapcraft.io/mockoon

### AUR (Arch Linux)

Package page: https://aur.archlinux.org/packages/mockoon-bin

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