Real-time satellite imagery on your desktop. Every 20 minutes (or every hour, you pick), Downlink updates your desktop background with a fresh image of Earth. You can even create your own views.
FreshBackMac
Mosaic
This AI powered wallpaper generator uses deep learning techniques to generate amazingly complex wallpapers. Every single image generated is unique.
Plash
Plash lets you set any website as your Mac wallpaper. Just click the menu bar icon and paste in the URL you want to use.
Unsplash Wallpapers
Unsplash Wallpapers for Mac makes it easy to find and preview new wallpapers, right in your menu bar. Two clicks, that’s it.