Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.
Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Hocus Focus - A Mac menu bar utility that hides your inactive windows
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Pliim - One click and be ready to go up on stage and present!
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.