Cuddli - Dating for geeks

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.

Datebox - Everything for a fun date delivered to your door

CareUEyes - CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder

Hinge - Find people you want to date through your friends on Facebook.

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