libopensync-plugin-synce-legacy from system:SynCE project
Select Your Operating System
Add repository and install manually
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/system:SynCE/openSUSE_Factory/system:SynCE.repo zypper refresh zypper install libopensync-plugin-synce-legacy