This is a client for dynamic DNS services, aimed at ESP (ESP32, etc) devices. Your node can use such a service to make its IP address known as a public DNS name, so you can find it, and use it from applications.
System identity / status (chip, app, partitions, reset reason, uptime, heap) and restart control (reboot, reboot into the ROM bootloader), plus a framed stream service and a browser console (WebUSB / Web Serial)