I would try Zulip: https://zulipchat.com/ https://zulipchat.com/ Where Slack encourages line-level chats in mostly static channels, Zulip encourages paragraph-

I would try Zulip: https://zulipchat.com/ https://zulipchat.com/ Where Slack encourages line-level chats in mostly static channels, Zulip encourages paragraph-level chats in lightweight and findable threads.