owncloud-client from isv:ownCloud:desktop:client-2.6.3 project
Select Your Operating System
Add repository and install manually
For CentOS 7.6 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/isv:ownCloud:desktop:client-2.6.3/CentOS_7.6/isv:ownCloud:desktop:client-2.6.3.repo yum install owncloud-client