# AltTab (open-source desktop utility)

> AltTab is a free, open-source desktop utility for macOS. AltTab brings Windows-style alt-tab window switching to macOS, with a preview of every open window. It has 16,455 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at lwouis/alt-tab-macos.

AltTab brings Windows-style alt-tab window switching to macOS, with a preview of every open window. Available for macOS. Released under the GPL-3.0 license on GitHub.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/lwouis/alt-tab-macos |
| Platforms | macOS |
| Interface | desktop GUI |
| GitHub stars | 16,455 |
| License | GPL-3.0 (open source) |
| Replaces | n/a |
| Language | Swift |
| Website | https://alt-tab.app |
| Official | no |
| Category | Archivers, cleaners & system utilities |
| Latest release | v11.10.1 (Oct 23, 2026) |
| Last commit | Oct 23, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/lwouis/alt-tab-macos/releases) or website, or build it from source by following the README.

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