Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.

Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.

Paperize - Easily give your PDF documents a realistic scanned paper texture with Paperize. Adjust paperize effects, add handwritten or image signatures online, and download your processed PDF.

Wallper - Live 4K wallpapers for your Mac. Fast, native, and fully customizable.

ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.

f.lux - f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.