tmux from home:bigironman:SLE-15-SP5 project
Select Your Operating System
Add repository and install manually
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bigironman:SLE-15-SP5/15.5/home:bigironman:SLE-15-SP5.repo zypper refresh zypper install tmux