Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
Clean Master - Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads around the world?