cmake-gui from home:msmeissn:branches:security project
Select Your Operating System
Add repository and install manually
For SLES15-SP2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:msmeissn:branches:security/SLES15-SP2/home:msmeissn:branches:security.repo zypper refresh zypper install cmake-gui