ESPHome is a system to control your ESP8266/ESP32
Powerful cross-platform MQTT 5.0 desktop, CLI, and WebSocket client
Device management, data collection, processing and visualization
High performance .NET library for MQTT based communication
Scalable, optimized, secure RTOS for multiple hardware architectures
Golang framework for robotics, drones, and the Internet of Things
Open-source, scalable, and fault-tolerant MQTT broker
JetLinks is developed based on Java, Spring Boot, WebFlux, Netty
Client library for using AWS IoT Shadow service on embedded devices
Barebone MQTT broker that can run on any stream server
A C++17 MQTT client based on Boost.Asio
SDK for connecting to AWS IoT from a device using embedded C
Next generation AWS IoT Client SDK for Java
Client library for using AWS IoT Jobs service on embedded devices
Next generation AWS IoT Client SDK for C++ using AWS Common Runtime
Client library for using AWS IoT Fleet Provisioning service
Client library for using AWS IoT Defender service on embedded devices
Next generation AWS IoT Client SDK for Python
SDK for connecting to AWS IoT from a device using JavaScript/Node.js
Java SDK for connecting to AWS IoT from a device
AWS IoT FleetWise Edge Agent
Apache IoTDB
HStreamDB is an open-source, cloud-native streaming database
ASCOM-INDI ESP32-Dev Wifi focuser
The Most Scalable MQTT Broker for IoT