Find our private instance of Mattermost on https://chat.chip.icu.
You'll need an invitation to register; just ask. Telemetry is disabled server-side. The desktop applications include telemetry and an auto-updater. Get rid of it easily by whitelisting only our IP in an application firewall.
There is now a completely log-free instant group chat on Tor. In times of distress, check that one. It's not running unless needed.
