xfce4-windowck-plugin from home:mauriziogalli 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:mauriziogalli/openSUSE_Tumbleweed/home:mauriziogalli.repo zypper refresh zypper install xfce4-windowck-plugin
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mauriziogalli/openSUSE_Slowroll/home:mauriziogalli.repo zypper refresh zypper install xfce4-windowck-plugin