Apps similar to BetterSnapTool include Rectangle, which is open source with a free version. Other options are DisplayFusion, Loop - Window Management, ClickFit and SnapZones. Window Managers like BetterSnapTool are a crowded field, with more than 50 alternatives for Mac, Windows and Linux.
Keyboard window manager for large and multiple displays, with grid placement, moves and swaps between displays, one-key undo, and rules that rearrange windows when a display connects.
Plonk is a menu bar app for macOS that bundles a window manager with nine additional desktop utilities, so one icon replaces a stack of single-purpose tools.
Free macOS window manager that saves and restores your entire workspace layout with one keystroke. Every app, every window position, every display. Includes window snapping, drag-to-snap, and unlimited named workspaces.
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MacOS toolbar utility application that makes window management easier.
Annoyed again because one of your apps is offscreen? Do you have to struggle with keyboard shortcuts, to bring it back or do they not work again? Borderline moves all windows back into the screen bounds.
Native Windows 11 app that runs truly independent image slideshows on each monitor — own folder, own pacing, own transitions per display.
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Hummingbird is a macOS utility that allows easy moving and resizing of windows by holding modifier keys and dragging your mouse to move and resize windows.
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Window management utility on macOS enabling window snapping, 2- and 3-zone layouts, app rotation, keyboard and trackpad gesture controls, plus overview mode for fast app assignment and switching, offering efficient multitasking in customizable zones.
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