This is a repackaged open-source software product wherein additional charges apply for technical support and maintenance provided by Internavo. MQTTnet is a comprehensive and high-performance .NET library crafted for MQTT-based communication. This versatile library includes an MQTT client and an MQTT server (broker) and is fully compliant with the MQTT protocol up to version 5. It is compatible with a wide range of .NET Framework versions and CPU architectures, ensuring broad applicability.