Wallpaper Engine is an animation & modeling, design & illustration, and utilities. It is developed and published by Wallpaper Engine Team.

• Brings your desktop alive with live wallpapers on your Windows desktops.
• Personalize animated wallpapers with your favorite colors.
• Aspect ratios and native resolutions supported like 16:9, 21:9, 16:10, and 4:3. Multi colors are also supported
• Live wallpapers will automatically pause when playing games in order to save performance.
• Create your own animated wallpapers with the use of the Engine Editor. Basic images can be animated as well.
• This application supports Razer Chroma and Corsair iCUE.

Reviews

Wallpaper Engine is a fantastic application for users and creators alike. As a user, you get to choose between thousands of wallpaper images, many of them animated or interactive. You can also create basic wallpapers quickly using the built-in editor.

GHacks.net  

Overall a smashing piece of software bringing animated desktop backgrounds spanning across hundreds of genres and for free thanks to the use of Steam’s community driven workshop.

AskAGamer