libfm-gtk3 from home:jcsl:LXDE-GTK3 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:jcsl:LXDE-GTK3/openSUSE_Tumbleweed/home:jcsl:LXDE-GTK3.repo zypper refresh zypper install libfm-gtk3