My goal is to make make setup and support easy for my users, some of whom are remote and most of whom have never heard of IRC. I don't literally want to deploy

My goal is to make make setup and support easy for my users, some of whom are remote and most of whom have never heard of IRC. I don't literally want to deploy a bunch of mIRC clients. (That said, if I did it over again I might pick Slack over HipChat. The integrations with e.g. Github really are that much better.)