MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
Cross platform MQTT client for MQTT debugging and message inspection. It is based on the .NET library MQTTnet.
Wirehome.Core is a home automation system written in C# targeting .NET Core. It runs on Linux, Windows and macOS.
Open Source Home Automation system for .NET
CoAPnet is a high performance .NET library for CoAP based communication. It provides a CoAP client and a CoAP server. It also has DTLS support out of the box.
A cross platform MQTT server based on the MQTTnet library with Python scripting support.