Synapse is an open-source Matrix server written by the Matrix.org Foundation.
Briefly, Matrix is an open standard for communications on the internet,
supporting federation, encryption and VoIP. Matrix.org has more to
say about the goals of the Matrix project, and the formal specification
describes the technical details.
Enable snaps on Kubuntu and install matrix-synapse-bridged
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.