Microsoft PowerToys, Windy, Spectacle, Rectangle, AquaSnap, BetterSnapTool, Divvy, SizeUp, HyperDock, Zones for Mac, Cinch, WinSplit Revolution, MaxTo, ActiveDock, Shiftit, GridWM (Grid Window Manager), KDE Mover-Sizer, Mosaico, FancyWM, altdrag, Mosaic Window Manager, WinSize2, VEEER, Taekwindow, Light Pillar Mosaic, FreeSnap, Tuck, Optimal Layout, WindowTidy, GridWM (KDE Plasma), WindowSpace, Maximize Always, Easy Move+Resize, Snap Assist, GridMove, MoveInactiveWin, allSnap, MultiDock, Windownaut, PowerResizer, AeroSnap, Zooom/2, WinDock, Stack WM, MaxSnap, Windawesome, Gridy, winlayout, iSnap, FP-WindowManager, WinNumpad Position, QuickTile, WinMover, Moves for macOS, Cisdem WindowManager, Tabame are some alternatives to WindowGrid.