Dream Aquarium - Next-generation virtual aquarium & screensaver
Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Sim Aquarium - Interactive True 3D Virtual Aquarium for Windows and Android
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Marine Aquarium - The marine aquarium simulation
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.