FCorp My Desktop - "ALL-IN-ONE" Desktop Related Tools.
Wallpaper Cycler - NuonSoft WallpaperCycler is a powerfull utility to manage all your wallpapers and to automatically cycle between your wallpapers.
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Fondo - Find the most beautiful wallpapers from Unsplash.com
Walyk Wallpaper Changer - Walyk Wallpaper Changer allow you to change your wallpapers automatically or manually.
Ruler for Windows - It's a screen ruler for Windows.