I am hosting a Synapse server, the reference implementation of a Matrix homeserver, at matrix.eleonora.gay.
It is private at the moment. Ask me on Discord if you want to join!
On Discord I am 42loco42, on Matrix @eleonora:eleonora.gay.
Or use this direct link.
Update: I'm now also hosting Element, a cool web client for Matrix, at element.eleonora.gay
For more information about Matrix, visit the website.