1.emqx / emqx
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
+122 stars
from 16,762 · score 4.81
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
29 repositories by Attention Score · Oct 6, 2026 – Nov 4, 2026 (UTC)
2.Koenkk / zigbee2mqtt
Zigbee 🐝 to MQTT bridge 🌉, get rid of your proprietary Zigbee bridges 🔨
- hacktoberfest
+97 stars
from 15,691 · score 4.58
3.eclipse-mosquitto / mosquitto
Eclipse Mosquitto - An open source MQTT broker
+93 stars
from 11,241 · score 4.54
4.rabbitmq / rabbitmq-server
Open source RabbitMQ: core server and tier 1 (built-in) plugins
+52 stars
from 13,901 · score 3.97
5.cesanta / mongoose
Embedded web server, with TCP/IP network stack, MQTT and Websocket
+52 stars
from 13,072 · score 3.97
6.nanomq / nanomq
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
- mqtt
- mqtt-broker
- iot-edge
- nng
- aio
- actor-model
- +14 more
+27 stars
from 2,627 · score 3.33
7.mochi-mqtt / server
The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub
+24 stars
from 1,936 · score 3.22
8.dotnet / MQTTnet
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/.
- mqtt
- mqtt-client
- mqtt-broker
- mqtt-server
- netcore
- net
- +13 more
+23 stars
from 5,064 · score 3.18
9.1technophile / OpenMQTTGateway
MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.
- mqtt
- gateway
- openhab2
- home-automation
- home-assistant
- wemos-d1
- +13 more
+20 stars
from 4,096 · score 3.04
10.processone / ejabberd
Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
- erlang
- xmpp
- jabber
- chat
- messaging
- sip
- +10 more
+16 stars
from 6,733 · score 2.83
11.mqttjs / MQTT.js
The MQTT client for Node.js and the browser
- mqtt
- javascript
- nodejs-library
- mqtt-broker
- hacktoberfest
+14 stars
from 9,115 · score 2.71
12.vernemq / vernemq
A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases. The VerneMQ mission is active & the project maintained. Thank you for your support!
- mqtt
- m2m
- scalable
- broker
- erlang
- distributed
- +13 more
+11 stars
from 3,636 · score 2.48
13.moscajs / aedes
Barebone MQTT broker that can run on any stream server, the node way
+9 stars
from 1,972 · score 2.30
14.zwave-js / zwave-js-ui
Full featured Z-Wave Control Panel UI and MQTT gateway. Built using Nodejs, and Vue/Vuetify
+8 stars
from 1,241 · score 2.20
15.wind-c / comqtt
A lightweight, high-performance go mqtt server(v3.0|v3.1.1|v5.0) supporting distributed cluster
- golang
- mqtt
- iot
- cluster
- distributed
- golang-library
- +9 more
+7 stars
from 1,178 · score 2.08
16.thingsboard / tbmq
The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.
+7 stars
from 769 · score 2.08
+5 stars
from 2,458 · score 1.79
18.DrmagicE / gmqtt
Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.x and V5 in golang
- mqtt
- mqtt-broker
- mqtt-protocol
- mqtt-server
- server
- gmqtt
- +1 more
+5 stars
from 1,048 · score 1.79
19.cloudamqp / lavinmq
Ultra quick message queue and streaming server
- message-queue
- server
- amqp
- background-jobs
- job-queue
- message-broker
- +3 more
+5 stars
from 1,026 · score 1.79
20.empicano / aiomqtt
The idiomatic asyncio MQTT client
- mqtt
- internet-of-things
- iot
- python
- pubsub
- mqtt5
- +5 more
+5 stars
from 576 · score 1.79
21.emitter-io / emitter
High performance, distributed and low latency publish-subscribe platform.
- pubsub
- networking
- emitter
- mqtt
- mqtt-broker
- realtime
- +4 more
+4 stars
from 4,007 · score 1.61
22.LiamBindle / MQTT-C
A portable MQTT C client for embedded systems and PCs alike.
- mqtt-client
- publisher-subscriber
- c
- portable
- mqtt
- simple
+4 stars
from 896 · score 1.61
23.hivemq / hivemq-mqtt-client
HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
- mqtt
- mqtt-client
- mqtt-protocol
- reactive-streams
- reactive-programming
- backpressure
- +6 more
+3 stars
from 1,123 · score 1.39
24.knolleary / pubsubclient
A client library for the Arduino Ethernet Shield that provides support for MQTT.
+2 stars
from 4,012 · score 1.10
25.hivemq / hivemq-community-edition
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
+2 stars
from 1,213 · score 1.10
26.peterhinch / micropython-mqtt
A 'resilient' asynchronous MQTT driver. Recovers from WiFi and broker outages.
+2 stars
from 687 · score 1.10
27.wialon / gmqtt
Python MQTT v5.0 async client
- mqtt
- python-mqtt-client
- mqttv5
- python
- python-mqtt
- async
- +1 more
+2 stars
from 450 · score 1.10
+2 stars
from 440 · score 1.10
29.shmuelzon / esp32-ble2mqtt
A BLE to MQTT bridge running on an ESP32
+1 stars
from 776 · score 0.69