cmake-mini from KDE:Frameworks project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/KDE:Frameworks/openSUSE_Leap_15.6/KDE:Frameworks.repo zypper refresh zypper install cmake-mini
For openSUSE Leap 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/KDE:Frameworks/openSUSE_Leap_15.5/KDE:Frameworks.repo zypper refresh zypper install cmake-mini