Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:D/openSUSE_Tumbleweed/devel:languages:D.repo
zypper refresh
zypper install gtkd
Para openSUSE Factory ARM execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:D/openSUSE_Factory_ARM/devel:languages:D.repo
zypper refresh
zypper install gtkd
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:D/16.0/devel:languages:D.repo
zypper refresh
zypper install gtkd
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:D/15.6/devel:languages:D.repo
zypper refresh
zypper install gtkd
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:D/15.5/devel:languages:D.repo
zypper refresh
zypper install gtkd