Was going through some of the #fosdem talks and noticed one on something called #JMAP maintained by #fastmail mainly for managing/syncing contacts and calendars. Is there anything in terms of self hosting a server yet that i can then develop something that will connect to it? I see someone made a nextcloud proxy but i dont really want to spin up a massive nextcloud server just for contacts/calendar. Id like to use it for #mobilelinux so hopefully gnome/kde support it upstream at some point.