Setpiece

Free open-source macOS menu bar window manager: workspaces, tiling, hotkeys, auto-triggers.

Desktopfree

Setpiece is a free, open-source macOS window manager that lets users define one-click Workspaces of apps and window layouts, tile windows with hotkeys, and trigger layout changes automatically based on the connected monitor, time of day, or calendar. It's positioned as an open-source alternative to paid window managers like Rectangle and Magnet, for macOS users who organize their desktop around specific work contexts.

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