xviewer from home:ZA:branches:X11:Cinnamon:Factory project

Select Your Operating System

For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ZA:branches:X11:Cinnamon:Factory/15.3/home:ZA:branches:X11:Cinnamon:Factory.repo
zypper refresh
zypper install xviewer