Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
Bartender Mac App - Bartender is an award-winning app for macOS that superpowers your menu bar, giving you total control over your menu bar items, what's displayed, and when, with menu bar items only showing when you need them.
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Vanilla - Vanilla is a free Mac app that lets you hide icons from your menu bar.