Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Picasion - Great site for creating animated GIF files!
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
QGifer - Sep 9, 2015 - Download QGifer for free. A video-based animated GIF creator. QGifer is a tool for extracting part of a video to an animated GIF file. The new demonstration video: http://youtu. be/SNTf5eNdL4Q.
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Any To GIF - Convert any picture into an animated GIF file.