John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
AMP WinOFF - An utility for scheduling the Windows shut down with several modes (shut down, restart, hibernate, lock computer...)
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
Shutter - Shutter is a feature-rich screenshot program.
Wallpaper Cycler - NuonSoft WallpaperCycler is a powerfull utility to manage all your wallpapers and to automatically cycle between your wallpapers.
Wise Auto Shutdown - Shut your PC down with this convenient and automatic PC shutdown tool.