1.emqx / emqx
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
+121 stars
from 16,764 · score 4.80
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Ranked by Attention Score: stars gained over the last 30 complete days
9 repositories by Attention Score · Oct 7, 2026 – Nov 5, 2026 (UTC)
2.eclipse-mosquitto / mosquitto
Eclipse Mosquitto - An open source MQTT broker
+96 stars
from 11,243 · score 4.57
3.rabbitmq / rabbitmq-server
Open source RabbitMQ: core server and tier 1 (built-in) plugins
+52 stars
from 13,903 · score 3.97
4.cesanta / mongoose
Embedded web server, with TCP/IP network stack, MQTT and Websocket
+52 stars
from 13,075 · score 3.97
5.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
6.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
7.arboeh / huABus
MQTT bridge for Huawei solar inverters (SUN2000/3000/5000) → Home Assistant
- evcc
- huawei-solar
- modbus
- mqtt
- home-assistant
- home-automation
- +2 more
+2 stars
from 8 · score 1.10
8.ballerina-platform / module-ballerina-mqtt
Ballerina MQTT Module.
+1 stars
from 104 · score 0.69
9.holovskyi / mqtt-typed-client
Type-safe async MQTT client for Rust. Topics as types, automatic routing and (de)serialization on top of rumqttc.
- async
- client
- iot
- mqtt
- mqtt-client
- rust
- +7 more
+1 stars
from 11 · score 0.69