I've said this before: At $company, we used an IRC server. Only the IT department used it. Then we ran an ejabberd XMPP server. Some of the front end devs use

I've said this before: At $company, we used an IRC server. Only the IT department used it. Then we ran an ejabberd XMPP server. Some of the front end devs used it on occasion. Now we run a Zulip server, and everybody uses it all the time. Killer features: - full function web client. No point in using the electron app. Mobile clients are usable, a little nicer than mobile view of the web client. - self hosted, meets our security policy. - channels and topics. - markdown - fast - images. I thought this would add nothing, but it turns out that there are lots of non-cute-animal uses. - each client can turn emojis off