For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:lessgdm/openSUSE_Tumbleweed/home:favogt:lessgdm.repo
zypper refresh
zypper install pulseaudio-module-zeroconf
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:lessgdm/openSUSE_Factory_PowerPC/home:favogt:lessgdm.repo
zypper refresh
zypper install pulseaudio-module-zeroconf
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:lessgdm/openSUSE_Factory_ARM/home:favogt:lessgdm.repo
zypper refresh
zypper install pulseaudio-module-zeroconf
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:lessgdm/15.5/home:favogt:lessgdm.repo
zypper refresh
zypper install pulseaudio-module-zeroconf
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:lessgdm/15.4/home:favogt:lessgdm.repo
zypper refresh
zypper install pulseaudio-module-zeroconf