WinTweaker is described as 'Customizes system parameters according to your preferences by tweaking File Explorer, Desktop, Start, Taskbar and Notification area'. There are six alternatives to WinTweaker for Windows, Android, Mac, F-Droid and Steam. The best alternative is Wallpaper Engine. It's not free, so if you're looking for a free alternative, you could try Desktop Live Wallpapers or AutoWall. Other great apps like WinTweaker are Desktopr (Paid), Live Desktop (Paid) and Wave Lines Live Wallpaper (Free, Open Source).
Desktop Live Wallpapers brings animated wallpapers to your desktop! Load all your personal video files into this app and set it as your wallpaper or download from collections of hundreds of beautiful animated wallpapers.
A simple, unobstrusive live wallpaper showing slowly moving wave lines. You can choose a color theme, build your own, change if the lines should grow and shrink or if they should have a uniform width. The lines may swing in harmony or each line independently.