Alternatives to Loop
An open-source macOS window manager that moves and resizes windows through a radial menu. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Loop
An open-source macOS window manager that moves and resizes windows through a radial menu.
Replacements
Listings that take over the same core job as Loop.
Rectangle
Snap macOS windows to halves, thirds, quarters and corners with keyboard shortcuts or by dragging to an edge.
Rectangle snaps windows to halves, thirds, quarters and corners with shortcuts or drag-to-edge areas, instead of Loop's radial menu, and supports macOS 10.15 onward.
Magnet
A Mac app that snaps windows into halves, thirds, quarters and full screen by dragging or shortcut.
Magnet snaps windows into halves, thirds and quarters by dragging or shortcut, but is paid, closed source and only available through the Mac App Store.
Rectangle Pro
A paid macOS window manager that moves and resizes windows with cursor throws, shortcuts and snap areas.
Rectangle Pro offers window throws to 16 positions, custom snap targets and workspace layouts triggered by display changes, but is paid and closed source.
Moom
A Mac window manager for moving, zooming and snapping windows and restoring saved window layouts.
Moom adds a pop-up palette on the window buttons and saved layouts for different display setups, sold as a paid, closed-source one-time purchase.
BetterSnapTool
A Mac utility that snaps windows to halves, quarters or custom areas by dragging them to screen edges.
BetterSnapTool snaps windows to halves, quarters or custom areas by dragging to screen edges, is paid and closed source, and lacks saved layouts.
Swish
A macOS app for snapping, resizing and controlling windows with trackpad and mouse gestures.
Swish snaps and resizes windows with trackpad and mouse gestures, swiping on the title bar, and is paid after the trial and closed source.
Mosaic
A paid Mac window manager that applies layouts by dragging windows onto a panel.
Mosaic applies custom layouts with gutters and groups by dragging windows onto a panel, and is paid after a 7-day trial and closed source.
SizeUp
A keyboard-driven macOS window manager that resizes and positions windows into halves, quarters and other displays.
SizeUp arranges windows into halves and quarters from the keyboard only, is paid and closed source, and its stated compatibility ends at macOS 14.
Also worth comparing
These listings name Loop as their own alternative, so the relationship runs both ways.
Cinch
A small Mac utility that snaps windows to half or full screen by dragging to an edge.
Loop is free and open source under GPL-3.0, positioning Mac windows through a radial menu or keyboard shortcuts, and requires macOS 13 or later.
Phoenix
A lightweight macOS window and app manager that you configure and script with JavaScript.
Loop is open source under GPL-3.0 and positions windows through a radial menu and shortcuts, requiring macOS 13 or later instead of JavaScript configuration.
Swift Shift
A macOS app that moves and resizes windows using the mouse together with modifier keys.
Loop is an open-source Mac window manager that moves and resizes windows through a radial menu and keyboard shortcuts, requiring macOS 13 or later.
Similar software
Related functionality, not a direct replacement.
Amethyst
Arrange macOS windows automatically with a keyboard-driven tiling manager.
AeroSpace
An i3-like tiling window manager for macOS, written in Swift.
yabai
A tiling window manager for macOS that arranges windows by binary space partitioning and is driven entirely from the command line.
Easy Move+Resize
A small macOS utility that moves and resizes windows with a modifier key and mouse drag.
AltTab
Brings the Windows-style Alt-Tab window switcher to macOS.