systemd-portable from home:iDesmI:oomd project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:iDesmI:oomd/openSUSE_Tumbleweed/home:iDesmI:oomd.repo zypper refresh zypper install systemd-portable