kolab-syncroton from server:Kolab:UNSTABLE project
Select Your Operating System
Add repository and install manually
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:Kolab:UNSTABLE/15.6/server:Kolab:UNSTABLE.repo zypper refresh zypper install kolab-syncroton
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/server:Kolab:UNSTABLE/15.5/server:Kolab:UNSTABLE.repo zypper refresh zypper install kolab-syncroton