Preme for Windows - Speeds up your window switching.

f.lux - f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.

WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:

LightBulb - Background application that adjusts screen gamma, making the colors appear warmer at night...

QuickTile - A lightweight utility for allowing you to quickly snap windows to a tiling grid under your existing...

Dimmer - A very small and free utility for Windows to reduce brightness on LCD/TFT screens.