For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:lintest/openSUSE_Tumbleweed/home:lintest.repo
zypper refresh
zypper install fb2edit
For openSUSE Leap 42.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:lintest/openSUSE_Leap_42.2/home:lintest.repo
zypper refresh
zypper install fb2edit
For openSUSE Leap 42.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:lintest/openSUSE_Leap_42.1/home:lintest.repo
zypper refresh
zypper install fb2edit