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/.

IoTSharp is an open-source IoT platform for data collection, processing, visualization, and device management.

high performance dotnet core socket tcp communication components, support TLS, HTTP, HTTPS, WebSocket, RPC, Redis protocols, custom protocols and 1M connections problem solution

TouchSocket is an integrated .NET networking framework that includes modules for socket, TCP, UDP, SSL, named pipes, HTTP, WebSocket, RPC, and more. It offers a one-stop solution for TCP packet issues and enables quick implementation of custom data message parsing using protocol templates.

ThingsGateway is a cross-platform, high-performance gateway for edge data acquisition and IoT connectivity. Developed with .NET 8, it offers a suite of powerful tools, including advanced PLC communication libraries and debugging software.

Provide useful sensors and services from your workstation to Home Assistant.

Lightweight message bus interface for .NET (pub/sub and request-response) with transport plugins for popular message brokers.

基于C#、WPF、Prism、MaterialDesign、HandyControl开发的通讯调试工具。支持Modbus Rtu调试、Mqtt调试、TCP调试、串口调试、UDP调试

GUI for Zigbee2Mqtt running in docker and HASS.IO

SAEA.Socket is a high-performance IOCP framework TCP based on dotnet standard 2.0; Src contains its application test scenarios, such as websocket,rpc, redis driver, MVC WebAPI, lightweight message server, ultra large file transmission, etc. SAEA.Socket是一个高性能IOCP框架的 TCP，基于dotnet standard 2.0；Src中含有其应用测试场景，例如websocket、rpc、redis驱动、MVC WebAPI、轻量级消息服…

Cross platform MQTT client for MQTT debugging and message inspection. It is based on the .NET library MQTTnet.

Make your windows 10 computer IOT friendly

工业智能网关，基于.net core3.1的跨平台物联网网关。支持不同设备驱动(PLC、CNC、数据库、串口设备、上位机、OPC UA、MQTT）具备二次开发驱动的能力实现与Thingsboard进行数据通讯。同时支持多资源配置化管理，MQTT、MYSQL、WEBHOOK等多种类型，实现数据的快速推送，提供简单的驱动开发接口。

HA Add-on / Docker container that solves indoor positions with mqtt data received from multiple ESPresense nodes

M2MQTT for Unity

最流行的物联网通信协议MQTT，包括客户端、服务端和Web管理平台

FIAT (uconnect) Home Assistant Addon 🚗

Fully featured .NET library in C# to build MTConnect Agent, Adapter, and Client Applications. Pre-built Agents with Windows Installers. Support for Windows and Linux. Supports MTConnect Versions up to 2.5. Supports .NET Framework 4.6.1 up to .NET 9

Configurable Fanuc Focas data collector and post processor.