I've been using matrix for quite some time now. Good clients for multiple platforms. Only issue is the usual: how to get people on their own self hosted node. https://twitter.com/bodil/status/1380245718485590027
@matrix Yunohost makes it easy.
@matrix Is it complicated to set up a self hosted instance on metal? Not really interested in a self hosted cloud provider.
mastodon.matrix.org is one server in the network