A bit of cross-promotion posted recently: Mixxx switched to @npub1qfg5...mum6 for our user and developer discussions and we've never regretted it. More open and flexible than Discord or Slack, we encourage projects of all sizes to switch over:

Mixxx DJ Software

Mixxx - Mixxx Zulip Chat Exceeds 3,000 Members

Download the most advanced FREE DJ software available, featuring iTunes integration, MIDI controller support, internet broadcasting, and integrated...