Eclipse Mosquitto - An open source MQTT broker
ESPHome is a system to control your ESP8266/ESP32
Device management, data collection, processing and visualization
SDK for connecting to AWS IoT from a device using JavaScript/Node.js
AWS IoT FleetWise Edge Agent
Client library for using AWS IoT Defender service on embedded devices
A comprehensive Supervisory Control, Data Acquisition, and Execution
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
Truly Open, Fully Customizable, and Universal Smart Home Control Panel
ESP32 mySQM+ Sky-Meter/Weather Station with loads of features
An industrial strength open-source application platform for the IoT