DisplayFusion, Rectangle, AquaSnap, Divvy, HyperDock, Zones for Mac, Display Maid, WindowGrid, Shiftit, altdrag, SMBAct, Split Screen, Flexiglass, Windownaut, Zooom/2, Better Window Manager, Moves for macOS, Cisdem WindowManager, TileWindows, DoublePane are some alternatives to BetterSnapTool.