Split - Resize connected Mac windows together, with live content

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Split is a macOS menu-bar window manager. Arrange windows, then drag their shared divider to resize both while their contents update live. Click the divider to swap sides. Click a side's window count to open its switcher; click again to cycle through stacked windows. Works with left-right and top-bottom layouts. $4.99 once for one active Mac. macOS 13+, Apple silicon and Intel.

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Hi, I'm Luke, the developer of Split. Split focuses on what happens after you place your windows. A shared divider lets you adjust both windows with their contents in view. You can also click the divider to swap sides, or use the window count to bring another window forward on the same side without rebuilding the layout. You can see these interactions in the demo on our website. Split is available now for $4.99 as a one-time purchase, for one active Mac, with macOS 13 or later. Which would help more in your daily work: resizing two windows together, or switching the front window while keeping the layout?

Good luck with the launch today, Luke, and congrats. Does each display keep its own pair when I work with an external monitor, or does Split handle one layout at a time?