font-manager from home:Lazy_Kent:xfce 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:Lazy_Kent:xfce/openSUSE_Tumbleweed/home:Lazy_Kent:xfce.repo zypper refresh zypper install font-manager