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Mockoon

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.

github.com/mockoon/mockoon (opens in a new tab)

About Mockoon

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

Install Mockoon

Package names found in the project's README. Each links to its package page so you can check the publisher first.

Homebrew (macOS)
brew install --cask mockoon

Package page (opens in a new tab)

Chocolatey (Windows)
choco install mockoon

Package page (opens in a new tab)

Snap (Linux)
snap install mockoon

Package page (opens in a new tab)

FAQ

Mockoon FAQ

Still curious? Email info@appsgit.com.

What is Mockoon?

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.

Is Mockoon free and open source?

Yes. Mockoon's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Mockoon?

Homebrew: brew install --cask mockoon, Chocolatey: choco install mockoon, Snap: snap install mockoon and the AUR package mockoon-bin. The commands are on this page. Installers are also on its GitHub Releases page (latest: v9.9.0).

Is Mockoon still maintained?

The repository's most recent commit was on Oct 5, 2026. appsgit only lists apps whose repository had a commit in the last six months.