# AltTab for Mac

> Windows-style alt-tab, with window previews.

AltTab switches between individual windows rather than apps, with thumbnails and plenty of options. Free and open source.

## Facts

- Price: Free and open source
- Developer: lwouis
- Category: Windows & Desktop
- Website: https://alt-tab-macos.netlify.app/
- Homebrew cask: alt-tab
- Source code: https://github.com/lwouis/alt-tab-macos
- License: GPL-3.0
- GitHub stars: 16k
- Last commit: 2026-10-18
- Facts checked: 2026-10-19
- MacWorthy page: https://macworthy.com/apps/alttab/

## Install

Homebrew:

```sh
brew install --cask alt-tab
```

## Questions

### Is AltTab free?

Yes. AltTab is free and open source under the GPL-3.0 license. The source code is on GitHub at lwouis/alt-tab-macos.

### Where can I download AltTab for Mac?

Download AltTab from the developer's website (alt-tab-macos.netlify.app) and GitHub. MacWorthy links only to official sources.

### Can I install AltTab from the Terminal?

Yes. With Homebrew, run `brew install --cask alt-tab`.

### What are good alternatives to AltTab?

Other windows & desktop apps for Mac worth a look are Rectangle (open source), Loop (open source), Boring Notch (open source) and DockDoor (open source).

## Alternatives in Windows & Desktop

- [Rectangle](https://macworthy.com/apps/rectangle/): Window snapping with keyboard shortcuts. (Open source)
- [Loop](https://macworthy.com/apps/loop/): Window management with a radial menu. (Open source)
- [Boring Notch](https://macworthy.com/apps/boring-notch/): A free, open-source notch companion. (Open source)
- [DockDoor](https://macworthy.com/apps/dockdoor/): Window previews when you hover the Dock. (Open source)
- [Tangrid](https://macworthy.com/apps/tangrid/): Automatic tiling with saved layouts per Space. (One-time purchase)
- [Thaw](https://macworthy.com/apps/thaw/): A free menu bar manager for recent macOS. (Open source)
- [Magnet](https://macworthy.com/apps/magnet/): Snap windows into place by dragging. (One-time purchase)
- [Moom](https://macworthy.com/apps/moom/): Save and restore entire window layouts. (One-time purchase)

## Collections

- [Free & open source](https://macworthy.com/collections/free-and-open/)

Tags: switcher, open source