Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/openSUSE_Factory/X11:Pantheon:Apps.repo
zypper refresh
zypper install notejot
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/16.0/X11:Pantheon:Apps.repo
zypper refresh
zypper install notejot
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/15.6/X11:Pantheon:Apps.repo
zypper refresh
zypper install notejot