Para openSUSE Tumbleweed corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/openSUSE_Tumbleweed/X11:Utilities.repo
zypper refresh
zypper install rssguard
Para openSUSE Factory ARM corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/openSUSE_Factory_ARM/X11:Utilities.repo
zypper refresh
zypper install rssguard
Para 15.6 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/15.6/X11:Utilities.repo
zypper refresh
zypper install rssguard
Para 15.5 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Utilities/15.5/X11:Utilities.repo
zypper refresh
zypper install rssguard