For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:mcepl:dictd:3/openSUSE_Tumbleweed/devel:Factory:git-workflow:staging:mcepl:dictd:3.repo
zypper refresh
zypper install dictd
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:Factory:git-workflow:staging:mcepl:dictd:3/openSUSE_Slowroll/devel:Factory:git-workflow:staging:mcepl:dictd:3.repo
zypper refresh
zypper install dictd