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Pro Multiple interaction methods
You can use keyboard shortcuts or monitor areas to align your windows.
Pro Multi-monitor support
Gridmove knows how to handle unlimited number of monitors.
You can choose quickly between set templates or even create your own by editing a text document in a relatively straightforward way. You can customize the hotkeys, the interface, you can even create dynamic custom grids.
Con Spaces between windows
For Windows 10, there seems to be some bug that has spaces between windows if resized. There is a small fix, but it breaks many other things if used on certain configurations.