# DockDoor for Mac

> Window previews when you hover the Dock.

DockDoor shows live window previews above Dock icons and adds a window switcher, bringing a Windows habit to the Mac.

## Facts

- Price: Free and open source
- Developer: Ethan Bills
- Category: Windows & Desktop
- Website: https://dockdoor.net/
- Homebrew cask: dockdoor
- Source code: https://github.com/ejbills/DockDoor
- GitHub stars: 6.4k
- Last commit: 2026-10-18
- Facts checked: 2026-10-19
- MacWorthy page: https://macworthy.com/apps/dockdoor/

## Install

Homebrew:

```sh
brew install --cask dockdoor
```

## Questions

### Is DockDoor free?

Yes. DockDoor is free and open source. The source code is on GitHub at ejbills/DockDoor.

### Where can I download DockDoor for Mac?

Download DockDoor from the developer's website (dockdoor.net) and GitHub. MacWorthy links only to official sources.

### Can I install DockDoor from the Terminal?

Yes. With Homebrew, run `brew install --cask dockdoor`.

### What are good alternatives to DockDoor?

Other windows & desktop apps for Mac worth a look are Rectangle (open source), Loop (open source), AltTab (open source) and Boring Notch (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)
- [AltTab](https://macworthy.com/apps/alttab/): Windows-style alt-tab, with window previews. (Open source)
- [Boring Notch](https://macworthy.com/apps/boring-notch/): A free, open-source notch companion. (Open source)
- [CoolDock](https://macworthy.com/apps/cooldock/): A second Dock built out of live widgets. (One-time purchase)
- [Dockaroo](https://macworthy.com/apps/dockaroo/): A separate Dock for each display and Space. (Free + Pro)
- [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)

Tags: dock, open source