I'm only familiar with Slack from that list but I'm assuming other IM apps work in a similar fashion in terms of being able to fine-tune the level of notificati

I'm only familiar with Slack from that list but I'm assuming other IM apps work in a similar fashion in terms of being able to fine-tune the level of notifications you're getting. Also, I'd take Slack convo over someone coming over to my desk to pull me into a whiteboarding session.