I highly recommend Zulip. Free, open-source alt to Slack but with good threaded conversations: https://zulipchat.com https://zulipchat.com If you don't want to

I highly recommend Zulip. Free, open-source alt to Slack but with good threaded conversations: https://zulipchat.com https://zulipchat.com If you don't want to create a full chat I'm happy to host on a Zulip chat for hackers I'm part of, just let me know. I'll open an issue, thanks!