calamares from home:sb56637:geckolinux:rolling 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:sb56637:geckolinux:rolling/openSUSE_Tumbleweed/home:sb56637:geckolinux:rolling.repo zypper refresh zypper install calamares