cosmic-applets from home:rrahl0:COSMIC 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:rrahl0:COSMIC/openSUSE_Tumbleweed/home:rrahl0:COSMIC.repo zypper refresh zypper install cosmic-applets