DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
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.
Mizage Divvy - Divvy is an entirely new way of managing your workspace.
CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.
LightBulb - Background application that adjusts screen gamma, making the colors appear warmer at night...