Unsplash Wallpapers for Mac (Official) - Curated, HD desktop background photos from Unsplash.

Pitch Black Wallpaper - Pitch Black Wallpaper is an application, allowing you to set the pitch-black wallpaper to your smartphone or tablet.

Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.

Great Wallpapers For iPad - Great Wallpapers is an all-in-one iPad application that comes with high-quality images from a plethora of categories.

Wallpaper Wizard - Wow-worthy backgrounds for Mac

Audiko - Audiko Ringtones is a free to use mobile application that can help you customize your mobile phone by setting the most beautiful images your background and the most popular ringtones as your notification signals.