Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
API List - A collective list of APIs. Build something.
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
Abstract APIs - Simple, powerful APIs for everyday dev tasks
Splashify - Beautiful desktop wallpapers for Mac and Windows
Phantombuster - A marketplace of simple to use no-code APIs