We use Slack and don't have either of those environments. I suppose we make heavy use to group DM's and project specific channels, but it really helps us keep

We use Slack and don't have either of those environments. I suppose we make heavy use to group DM's and project specific channels, but it really helps us keep communication streamlined and direct. We don't really use email. If we need to ping someone on a PR review, it's done in Slack. If one of our systems is having issues, it's automated through a specific Slack channel.