gammaray from home:gmbr3:libexecdir 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:gmbr3:libexecdir/openSUSE_Tumbleweed/home:gmbr3:libexecdir.repo zypper refresh zypper install gammaray