aylurs-gtk-shell from home:Rethil project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Rethil/openSUSE_Tumbleweed/home:Rethil.repo zypper refresh zypper install aylurs-gtk-shell