3x-ui from home:xtexChooser:Factory 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:xtexChooser:Factory/openSUSE_Tumbleweed/home:xtexChooser:Factory.repo zypper refresh zypper install 3x-ui