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.
Dark Mode List - A list of apps that support 🌃 dark mode
Mata - The night vision for the web. Read easier on the eyes.
Slack - A messaging app for teams who see through the Earth!
f.lux for iOS - Auto adjust your iOS display based on the time of day
WhatsApp Dark Mode - Finally. Dark mode on WhatsApp.