Wallpaper changer

Damask – automatic wallpaper change from local folders and Internet sources. A free and open source program

Hidamari is a program for showing videos on the desktop. Free and open source program

Wallpaper Selector is a simple app for downloading and setting wallpapers from wallhaven.cc. Free and open source program

Dynamic Wallpaper – creating dynamic wallpapers for Gnome 42. Free and open source program

Trianglify Wallpaper is a free and open-source program for creating triangular wallpapers with the ability to customize shifts according to a schedule

Dynamic Wallpaper Editor is a free and open source small utility for creating or editing XML wallpapers for the GNOME desktop

Azote is a free and open source wallpaper manager and color matching tool for Sway, i3, and WM

Fondo is a free and open source program for finding wallpapers on Unsplash.com and setting them as your desktop background

HydraPaper is a free and open source wallpaper manager with multi-monitor support

Superpaper is a free and open-source, multi-platform software for automatically changing your desktop wallpaper with support for working with multiple monitors