OPEN-SOURCE PICK · FREE
Amethyst for Mac
Windows that tile themselves
- Window management
- Open source · MIT
- Free
- ★ 16.3k on GitHub
Amethyst is a free, open-source tiling window manager for macOS, in the spirit of xmonad. Open a window and Amethyst arranges everything on screen for you, with layouts you switch from the keyboard.
Key features
AUTOMATIC TILING
Windows arrange themselves as you open and close them.
LAYOUTS
Switch between tiling layouts with shortcuts.
USES ACCESSIBILITY APIS
No system hacks; grant Accessibility permission and go.
Who Amethyst is for
- Developers who live in many windows
- People new to tiling window managers
- Large monitors
Install
With Homebrew:
Or use the Download button above and drag the app to your Applications folder.
Requirements: macOS 10.15 and later.
A free alternative to yabai, AeroSpace and Rectangle
People often look for Amethyst when they want what yabai or AeroSpace or Rectangle does without paying. Amethyst is free and its source code is public, so you can see exactly what it does on your Mac.
FAQ
Is Amethyst free?
Yes, free and open source under the MIT license.
How do I install it?
Run brew install --cask amethyst or download from GitHub releases.
Amethyst is made by ianyh, not by OneClickTool. We list it because we use it and recommend it; we are not paid to. Details checked against its README on 2026-10-07.