For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network/openSUSE_Tumbleweed/network.repo
zypper refresh
zypper install owncloud-client-desktop-integration
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network/openSUSE_Factory_PowerPC/network.repo
zypper refresh
zypper install owncloud-client-desktop-integration
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network/openSUSE_Factory_ARM/network.repo
zypper refresh
zypper install owncloud-client-desktop-integration