Apache IoTDB
Powerful cross-platform MQTT 5.0 desktop, CLI, and WebSocket client
ESPHome is a system to control your ESP8266/ESP32
Barebone MQTT broker that can run on any stream server
Scalable, optimized, secure RTOS for multiple hardware architectures
SDK for connecting to AWS IoT from a device using embedded C
Golang framework for robotics, drones, and the Internet of Things
Next generation AWS IoT Client SDK for Python
JetLinks is developed based on Java, Spring Boot, WebFlux, Netty
Client library for using AWS IoT Shadow service on embedded devices
SDK for connecting to AWS IoT from a device using JavaScript/Node.js
Java SDK for connecting to AWS IoT from a device
Client library for using AWS IoT Jobs service on embedded devices
SDK for connecting to AWS IoT from a device using Python
Client library for using AWS IoT Defender service on embedded devices
A C++17 MQTT client based on Boost.Asio
Client library for using AWS IoT Fleet Provisioning service
HStreamDB is an open-source, cloud-native streaming database
MAX! cube GUI
ESP32 mySQM+ Sky-Meter/Weather Station with loads of features
EPICS device support for CAN Bus
A portable SCADA/IoT platform centered on the MongoDB database server.
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
IIoT Gateway for interfacing industrial,home automation applications
ESP32 library for ACME protocol client (to get certificates)