For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msalle:extras/openSUSE_Leap_42.3/home:msalle:extras.repo
zypper refresh
zypper install wicd-daemon
For openSUSE Leap 42.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msalle:extras/openSUSE_Leap_42.2/home:msalle:extras.repo
zypper refresh
zypper install wicd-daemon
For openSUSE Leap 42.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msalle:extras/openSUSE_Leap_42.1/home:msalle:extras.repo
zypper refresh
zypper install wicd-daemon
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msalle:extras/15.6/home:msalle:extras.repo
zypper refresh
zypper install wicd-daemon
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msalle:extras/15.5/home:msalle:extras.repo
zypper refresh
zypper install wicd-daemon
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msalle:extras/15.4/home:msalle:extras.repo
zypper refresh
zypper install wicd-daemon