Also Win+Arrows moves windows to sides/corners. It can do up to a 2x2 grid. Not full featured but better than nothing.
They're half-way between the minimal snapping built into each OS and a full-blown tiling WM. The keyboard shortcuts for left and right 2:3rds and shortcuts for moving a window to a specific quadrant in Magnet are my most-used, since often I want a terminal and a browser, or two IDE windows, or IDE + browser + docs (dash) + terminal on one screen.