I used it for chat and automated notifications related to a git workflow, both the repos and chat were self-hosted. It was far less polished than Slack (and Sla

I used it for chat and automated notifications related to a git workflow, both the repos and chat were self-hosted. It was far less polished than Slack (and Slack was not that polished back then). But fine for that purpose. In less tech centric environments the rough edges are more bothersome.