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Comment by StavrosK | Hacker News Reader

I use Zulip for the day to day (it's amazing, I can't recommend it enough), but sometimes use Slack because some open source communities use it, and I'm always amazed at how damn slow it is. I can consistently out-type it, it's terrible.

I guess it was great when it started out, but they're slowly boiling the frog, who is us.

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Zulip won my last bake-off for chat systems. Integration was easy and the topic method of providing threads was amazing. The only feature it was missing was federation. In the XMPP world, you could communicate with users on other XMPP instances. With Zulip, you can only communicate with local users. Do you know if this is still the case?

Yes, I doubt federation will ever be added.

Zulip has a cross server bridge using a bot that you might be interested in:

https://github.com/zulip/python-zulip-api/tree/f47559e68dfcc...

As other folks have mentioned, Zulip has a number of cross-server integrations with both the Zulip protocol and other protocols like XMPP. There's a few we document here as well as Matterbridge:

* https://zulipchat.com/integrations/communication * https://github.com/42wim/matterbridge

We'll eventually add a more native way of connecting a stream between two Zulip servers; we just want to be sure we do that right; federation done sloppily is asking for a lot of spam/abuse problems down the line.

(I'm the Zulip lead developer)

That's one thing that makes me quite sad, to see open source communities adopt a closed chat tool. I know that it's easy and zero-maintenance for them, but I can't help but feel there are better options.

There certainly are, Zulip is OSS and so is Matrix.

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