nextcloud from home:Simmphonie:nextcloud:27 project
Select Your Operating System
Add repository and install manually
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Simmphonie:nextcloud:27/15.5/home:Simmphonie:nextcloud:27.repo zypper refresh zypper install nextcloud