Penc is yet another window manager app for macOS. Instead of complicated keyboard shortcuts, Penc is designed for trackpad usage. Double press and hold command key to activate Penc. Perform two-finger gestures to move or resize any window. Then release command key to take effect.
Moving
Drag with two fingers to move the window.
Resizing
Pinch with two fingers to resize the window.
Snapping into halves/quarters
Fast swipe with two fingers. Corners for the quarters, sides do halves.