matrix-synapse from home:wrosenauer:messaging project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:wrosenauer:messaging/openSUSE_Tumbleweed/home:wrosenauer:messaging.repo zypper refresh zypper install matrix-synapse