There is a dedicated page explaining the difference between selfhosted and cloud versions: https://docs.netbird.io/selfhosted/self-hosted-vs-cloud-netb...

You can also use profiles and set management URL in the settings through the UI. You can even switch between self hosted and cloud versions: https://docs.netbird.io/client/profiles

Coturn is not needed in the new versions as STUN is embedded in the relay service now

Your usage is the best form of sponsorship haha