Magnet Window Manager - Magnet Developers
Preme for Windows - Speeds up your window switching.
Spectacle App - Move and resize windows with ease.
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
Moom - Move your mouse over the green zoom button in any window, and Moom's mouse control overlay will appear (as seen in the above animation).
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features: