Wallcat - Enjoy a new, beautiful wallpaper, every day.
Downlink - Real-time satellite imagery on your desktop
Splashify - Beautiful desktop wallpapers for Mac and Windows
Satellite Eyes - Changes your Mac wallpaper to a satellite map of your local
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
Spire - The first activity, breath & state of mind tracker