retina-screens
There are 3 repositories under retina-screens topic.
MatthewCallis/retinize
Retinize will upscale (using nearest neighbor) images to look correctly on retina screens. This is particularly useful for pixel art when you don't want to store an upscaled version.
thapabishwa/HiDPI
A HiDPI fix for awesome wm [Arch-Linux] [MBP 11.x]
hongkiat/css-retina-display
How to deliver graphics for HD screen through CSS