What is Loop?
Loop is a free, open-source window manager for macOS built around a trigger key. Holding the key and moving the cursor opens a radial menu that sends the window to a half, quarter, third or other position, with a preview of the result before it is applied. The same actions can be bound to keyboard shortcuts, chained into cycles, or run from scripts through a URL scheme.
Loop is free to use. See every plan
Good for
- Mac users who want to place windows with one held key and a cursor movement
- People looking for a free, open-source alternative to paid window snappers
- Those who want to theme the menu and preview to their taste
Worth knowing
- macOS only; the README says it is compatible with macOS 13 and later.
- Its own comparison table lists no trackpad gestures, saved workspaces, pinning windows on top or resizing of adjacent windows.
- Using Caps Lock as the trigger key needs a modifier remap in System Settings or another app such as Hyperkey or Karabiner-Elements.
Key features
- Radial menu
- Hold the trigger key and move the cursor in a direction to move and resize the window. The menu's width, shape and color can be changed, and it can be turned off.
- Preview window
- An outline shows where the window will land before the action is committed. Its padding, corner radius and border are adjustable, and it is optional.
- Keyboard shortcuts
- Any key can be paired with the trigger key to run an action: halves, quarters, thirds, maximize, center, grow and shrink, undo, or a move to another screen.
- Cycles
- Pressing the same key combination repeatedly, or left-clicking repeatedly, steps a window through a sequence of positions.
- Stash
- Windows can be hidden at the edge of the screen and brought back by hovering near the edge or with a key binding.
- URL scheme for scripts
- A loop:// URL scheme lets shell scripts and AppleScript trigger window actions, chain several of them, and list the available commands.
Loop pricing
- Starts at
- Free
- Free plan
- The whole app is free and open source under the GNU GPLv3 license, installed from the GitHub releases page or with Homebrew.
- Free trial
- None listed
| Plan | Price | What you get |
|---|---|---|
| Loop | $0 | Radial menu, preview window, keyboard shortcuts, cycles, stash, theming and URL-scheme scripting. GPLv3 licensed. |
Read from github.com on Oct 9, 2026. Prices change, so confirm with Loop before you buy.
Works with
- AppleScript
- Karabiner-Elements
- Hyperkey
Loop alternatives
- Loop vs Magnet
From $4.99 one-time
- Loop vs Moom
Free trial · from $15 one-time
- Loop vs Swish
Free trial · from $16 one-time
- Loop vs Amethyst
Free
Common questions
Is Loop free?
Yes. Loop is free to use. The whole app is free and open source under the GNU GPLv3 license, installed from the GitHub releases page or with Homebrew.
How much does Loop cost?
Loop lists one plan. Loop: $0. Prices were read from github.com on Oct 9, 2026.
What platforms does Loop work on?
Loop is available on macOS.
Does Loop have an Android app?
No Android app was listed when its pages were read on Oct 9, 2026. Loop is listed for macOS.
Does Loop have an iPhone app?
No iPhone app was listed when its pages were read on Oct 9, 2026. Loop is listed for macOS.
Is Loop open source?
Yes. Loop is open source, according to its own site.
What does Loop integrate with?
Loop's listing names AppleScript, Karabiner-Elements and Hyperkey. A listing names up to eight integrations, so it may connect to more.
Who makes Loop?
Loop is made by MrKai77.
What are the alternatives to Loop?
The closest alternatives to Loop in our directory are Rectangle, Magnet, Moom, Swish and Amethyst. Each one has a side-by-side comparison with Loop.
Sources for this page
The prices, plans, platforms and features above were read from these pages on Oct 9, 2026.