Nimi Places - Nimi Places is a Windows desktop organizer that gives you the ability to put files and folders into customizable containers. The elements in the containers are represented as icons or thumbnails. Read more about Nimi Places.
Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
iCollections - Organize your Mac desktop items.
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
Zeplin - Collaboration app for UI designers & frontend developers
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.