For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:pidgin/openSUSE_Tumbleweed/network:pidgin.repo
zypper refresh
zypper install pidgin-birthday-reminder
For openSUSE Factory RISCV run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:pidgin/openSUSE_Factory_RISCV/network:pidgin.repo
zypper refresh
zypper install pidgin-birthday-reminder
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:pidgin/openSUSE_Factory_PowerPC/network:pidgin.repo
zypper refresh
zypper install pidgin-birthday-reminder
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:pidgin/openSUSE_Factory_ARM/network:pidgin.repo
zypper refresh
zypper install pidgin-birthday-reminder