Resettle

Resettle remembers where your windows belong on each display setup and puts them back when that setup returns. Unplug your monitor, plug it back in, and everything lands where you left it: same app, same position, same size. It learns a layout per setup, so a docked desk, a clamshell setup and a single-screen trip each keep their own arrangement. It can tell identical monitors apart, and anything it is unsure about it leaves alone rather than moving the wrong window. No snapping, no tiling, no window management you have to think about. One-time purchase, no subscription, no account.