Public MQTT Brokers
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| Name | Broker Address | TCP Port | TLS Port | WebSocket Port | Message Retention | Persistent Session | Sign Up Requred | Link |
|---|---|---|---|---|---|---|---|---|
| Eclipse | mqtt.eclipse.org | 1883 | N/A | 80, 443 | YES | YES | NO | http://iot.eclipse.org/sandbox.html |
| Mosquitto | test.mosquitto.org | 1883 | 8883, 8884 | 80 | YES | YES | NO | https://test.mosquitto.org/ |
| HiveMQ | broker.hivemq.com | 1883 | N/A | 8000 | YES | YES | NO | https://www.hivemq.com/try-out/ |
| Flespi | mqtt.flespi.io | 1883 | 8883 | 80, 443 | YES | YES | YES | https://flespi.com/mqtt-broker |
| Dioty | mqtt.dioty.co | 1883 | 8883 | 8080, 8880 | YES | YES | YES | http://www.dioty.co/ |
| Fluux | mqtt.fluux.io | 1883 | 8883 | N/A | N/A | N/A | NO | https://fluux.io/ |
| EMQX | broker.emqx.io | 1883 | 8883 | 8083 | YES | YES | NO | https://emqx.io/ |