cmake-gui from home:matthewdva:backports:dogtag project
Select Your Operating System
Add repository and install manually
For AlmaLinux 8 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/home:matthewdva:backports:dogtag/AlmaLinux_8/home:matthewdva:backports:dogtag.repo yum install cmake-gui