Для openSUSE Factory запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/openSUSE_Factory/X11:Pantheon:Apps.repo
zypper refresh
zypper install dippi
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/16.0/X11:Pantheon:Apps.repo
zypper refresh
zypper install dippi
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/15.6/X11:Pantheon:Apps.repo
zypper refresh
zypper install dippi