gnustep-base from home:crameleon:LibertaCasa:Mail project

Select Your Operating System

For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:crameleon:LibertaCasa:Mail/15.4/home:crameleon:LibertaCasa:Mail.repo
zypper refresh
zypper install gnustep-base