A curated list of MQTT related stuff.

MQTT is a lightweight client-server publish/subscribe messaging protocol, optimized for high-latency or unreliable networks. This protocol is a good choice for Internet of Things applications, Telemetry, Sensor Networks, Smart Metering, Home Automation, Messaging and Notfication Services.

• Community Resources
• Broker
• Tools
• Clients
• Scripting
• Interfaces
  • Makers
  • Industry
  • Telephony, PBX
  • Operating System
  • Monitoring
  • Location Tracking
  • Logging
  • Smart Home Hardware Interfaces
  • Smart Home Integration Software
  • Misc Software
  • Lighting
  • Home Entertainment
  • Gadgets
  • Smart Metering
  • Messaging
• Visualization, Dashboards
• Architecture, Convention

• mqtt.org.
• MQTT community wiki.
• Google Groups: MQTT.
• IRC channel #mqtt on the freenode network.
• A list of public brokers.

• Dominik Obermaier (Forkbomb Blog)
• Jan-Piet Mens
• Nick O'Leary

• ActiveMQ - A fast Java multiprotocol messaging and Integration Patterns server.
• eMQTT - The Massively Scalable MQTT Broker written in Erlang/OTP.
• hbmqtt - Python MQTT broker using asyncio.
• hrotti - A MQTT broker written in Go.
• HiveMQ - Java based commercial MQTT Broker.
• Moquette - Java MQTT lightweight broker.
• Mosca - Mosca is a node.js mqtt broker, which can be used Standalone or Embedded in another Node.js application.
• Mosquitto - "The" Open Source MQTT Broker.
• RabbitMQ - RabbitMQ offers a MQTT Adapter.
• SurgeMQ - High Performance MQTT Server and Client Libraries in Go.
• VerneMQ - an Apache2 licensed distributed MQTT broker, developed in Erlang.
• Vert.x MQTT server - This Vert.x component provides a server which is able to handle connections, communication and messages exchange with remote MQTT clients.

• imqtt - Interactive MQTT packet manipulation shell based on IPython.
• mqtt-admin - Web based MQTT frontend. Direct Link.
• mqtt-benchmark - A benchmarking tool for MQTT Servers.
• mqtt-fuzz - A simple fuzzer for the MQTT protocol.
• MQTT.fx - MQTT.fx is a MQTT Client written in Java based on Eclipse Paho. Supports scripting.
• MQTTInspector - A general MQTT testing app for iOS (iPhone and iPad).
• MQTTLens - A Google Chrome application, which connects to a MQTT broker and is able to subscribe and publish to MQTT topics.
• mqtt-malaria - scalability and load testing utilities for MQTT environments.
• mqtt-spy - Java based MQTT frontend. Supports scripting.
• mqtt-utils - a collection of MQTT utilities.
• mqtt-wall - Subscription only web-based client – like Twitter wall for MQTT.
• Python MQTT Client Shell - a text console-based, interactive shell for exercising various tasks associated with MQTT client communications.
• Wireshark-MQTT - MQTT dissector for Wireshark.

• CocoaMQTT - MQTT for iOS and OS X written with Swift.
• emqttc - Asynchronous Erlang MQTT Client.
• Moscapsule - MQTT Client for iOS written in Swift
• hbmqtt - Python MQTT client using asyncio.
• M2Mqtt - a MQTT client available for all .Net platforms (.Net Framework, .Net Compact Framework and .Net Micro Framework) and WinRT platforms (Windows 8.1, Windows Phone 8.1 and Windows 10).
• Mosquitto-PHP - A wrapper for the Mosquitto MQTT client library for PHP.
• mqtt-client - A Polymer Web Component that implements a MQTT client (uses Paho mqttws31.js).
• MQTT-Client-Framework - iOS, OSX, tvOS native ObjectiveC MQTT Client Framework.
• mqtt.dart - dart mqtt client.
• mqtt-elements - Polymer elements for MQTT.
• mqttex - MQTT implementation in Elixir.
• MQTTKit - MQTT Objective-C client for iOS.
• mqtt_client_cpp - MQTT client for C++14 based on Boost.Asio
• mqtt_lua - MQTT Client library for the Lua language.
• MQTT.js - MQTT client for Node.js.
• Paho - open-source client implementations (C/C++, Java, Python, Javascript, Go, C#).
• pubsubclient - A client library for the Arduino Ethernet Shield that provides support for MQTT.
• ruby-mqtt - Pure Ruby gem that implements the MQTT protocol.
• tcl-mqtt - Small library to connect to a matt broker. Very, very basic.
• TMQTTClient - MQTT Client Library for Delphi.
• wolfMQTT - a client implementation of the MQTT written in C for embedded use. It supports SSL/TLS via the wolfSSL library.

• logic4mqtt - Java based Logic and scripting engine for use with MQTT. Uses Java's general scripting interface, so scripts can be written in a multitude of languages like Javascript, Groovy etc.
• mqtt-scripts - Node.js based script runner.
• Node-RED - A visual tool for wiring the Internet of Things.

• arduinoTemps2mqtt - Arduino sketch, grab Onewire Temperature's and publish to a mqtt broker.
• esp_mqtt - MQTT client library for ESP8266.
• mqtt-ir-transceiver - ESP8266 based bidirectional gateway between MQTT and IR. Use with PlatformIO.
• MySensors - Arduino NRF24L01 based sensor network with support for an MQTT gateway
• nodemcu-gpiomqtt - Lua script to connect ESP8266 GPIOs to MQTT.
• pubsubclient - A client library for the Arduino Ethernet Shield that provides support for MQTT.
• RFM69-MQTT-client - Arduino RFM69 based sensors and MQTT gateway.
• rpi2mqtt - Connect a RaspberryPis GPIOs and 1-Wire Temperature Sensors to MQTT.
• xbee2mqtt - XBee to MQTT gateway.

• modbus2mqtt - Modbus master which publishes register values via MQTT.
• mqtt2opcua - Bi Directional MQTT to OPCUA Bridge.

• agi-mqtt - Interface between Asterisk and MQTT.
• fritz2mqtt - Connect FRITZ!Box to MQTT.

• mqttlauncher - Execute shell commands triggered by published MQTT messages.
• mqtt-os-status - Operating-system related data, published to an MQTT broker at fixed intervals.
• mqttpc - Control processes via MQTT. Ability to send signals via MQTT and to publish stdout/stderr or pipe MQTT payloads into stdin.
• mqttwatchdir - Recursively watch a directory for modifications and publish file content to an MQTT broker.
• psmqtt - Utility reporting system health and status via MQTT

• check-mqtt - A Nagios/Icinga plugin for checking connectivity to an MQTT broker.
• notify-by-mqtt - a Nagios/Icinga notification module which wraps data into JSON and fires it off to an MQTT broker.

• Owntracks - Location tracking and geofencing for MQTT.

• mqttcollect - collectd "Exec" plugin for MQTT.
• graylog-plugin-mqtt - MQTT Input Plugin for Graylog.
• mqtt2graphite - Subscribe to MQTT topics and push to Graphite's Carbon server.
• influx4mqtt - Subscribe to MQTT topics and insert into InfluxDB.
• mqtthandler - A Python logging handler module for MQTT.

• aqara-mqtt - Aqara (Xiaomi) Gateway to MQTT bridge.
• cul2mqtt - Interface between Busware CUL (868MHz RF-Devices like ELV FS20, HMS, EM, ...) and MQTT.
• eno2mqtt - Interface between an Enocean USB300 (TCM310) adapter and MQTT.
• Evohome2mqtt - MQTT Interface for the Honeywell Evohome system.
• hm2mqtt - Interface between EQ-3's Homematic line of smarthome devices and MQTT.
• knx2mqtt - Interface between the KNX home automation standard and MQTT.
• mqtt-dss-bridge - MQTT digitalSTROM-Server Bridge.
• node-lox-mqtt-gateway - Gateway for Loxone™ miniserver to communicate with mqtt broker.

• FHEM has a MQTT module since V5.6.
• Home Assistant has a MQTT component.
• Homegear has build in MQTT support.
• homekit2mqtt - Interface between HAP-NodeJS and MQTT. Control MQTT connected devices with Siri or HomeKit Apps.
• Home.Pi is based on MQTT.
• ioBroker has a MQTT adapter.
• Node-RED - A visual tool for wiring the Internet of Things, has native MQTT Support.
• openHAB has a MQTT binding.
• pimatic has a MQTT plugin.

• homely - collection of Go daemons for connecting Domoticz and other stuff.
• Tasker (Automation for Android) MQTT Publisher Plugin

• chromoflex2mqtt - Control Chromoflex USP3 RGB LED modules via MQTT
• hue2mqtt - Interface between the Philips Hue bridge and MQTT.
• mqtt-dmx-sequencer - Control DMX devices via Art-Net by MQTT.

• airtunes2mqtt - MQTT controlled Multi-Room Audio with Airplay/Airtunes Devices.
• chromecast-mqtt-connector - Control your Google Chromecast devices using MQTT.
• kodi2mqtt - Interface between a Kodi mediacenter instance and MQTT.
• harmony-api - A simple server allowing you to query/control multiple local Harmony Home Hubs over HTTP or MQTT.
• lgtv2mqtt - Interface between LG WebOS Smart TVs and MQTT.
• lirc2mqtt - Send and receive infrared via LIRC.
• onkyo2mqtt - Interface between Onkyo AVR's EISCP network remote protocol and MQTT. Uses the onkyo-eiscp library.
• VLC MQTT Module - Control VLC via MQTT.
• xbmc2mqtt - A simple plugin for XBMC to listen for a particular topic on an MQTT broker, and display a popup message.
• yamaha-avr2mqtt

• AlexaMqttBridge - Bridge between Amazon Alexa and Mqtt.
• dashbutton2mqtt - Publish dash button presses to MQTT.
• flowerpower2mqtt - Publish measurements from Parrot Flower Power plant sensors to MQTT.

• bcontrol2mqtt - Publish measurements from TQ Energy Manager to MQTT.

• mqtt-irc-bot - A MQTT to IRC / IRC to MQTT bridge or bot.
• mqttwarn - Subscribe to MQTT topics (with wildcards) and notifiy pluggable services.
• twitter-to-mqtt - A python daemon that uses the Twitter Streaming API to access tweets and republishes them to an MQTT topic.

• Crouton - A dashboard that taps into your IOT network, using only MQTT and JSON.
• d3-MQTT-Topic-Tree - A MQTT Topic Tree viewer using the d3 collapsable tree and MQTT over websockets
• node-red-dashboard - A dashboard UI for Node-RED.
• mqtt2highcharts - plotting live numbered data from a subscribed mqtt topic using highcharts.
• MQTT Dash - Android App: With the app you can create dashboards for your MQTT enabled IoT Smart Home devices and applications.
• mqtt-panel - A web interface for MQTT.
• mqtt-svg-dash - Subscribe to MQTT, extract JSON from a message and make lights blink on an SVG page.

Other tools that can be used to create Visualization/Dashboards can be found under Smart Home Integration Software

• Homie - A lightweight MQTT convention for the IoT
• mqtt-smarthome - Smart home automation with MQTT as the central message bus - Architectural proposal.

Contributions welcome! Read the contribution guidelines first.