Snapt is a simple window utility app which allows docking configuration enabled by hotkey combinations.

Default Hotkey Configuration
Dock window left half screen: LCtrl + LAlt + Left
Dock window right half screen: LCtrl + LAlt + Right
Dock window top half screen: LCtrl + LAlt + Up
Dock window bottom half screen: LCtrl + LAlt + Down
Dock window fullscreen: LCtrl + LAlt + Space
Dock window top left quarter screen: LCtrl + LAlt + Numpad 1
Dock window top right quarter screen: LCtrl + LAlt + Numpad 2
Dock window bottom left quarter screen: LCtrl + LAlt + Numpad 3
Dock window bottom right quarter screen: LCtrl + LAlt + Numpad 4