public_brokers

This page is an effort to list the publically-accessible MQTT brokers, often useful for testing and prototyping.

Note: none of these test brokers (except mqtt.flespi.io) carry any guarantee of service. Be sensible when using them and don't break things for others! :-)

field	value
address	mqtt.flespi.io
port	1883 (TCP), 80 (WebSocket), 8883 (SSL), 443 (Secure WebSockets)
type	flespi
info	requires signup/username, information page, REST API, MQTT 5.0 compliant

---

field	value
address	iot.eclipse.org
port	1883, 80 (WebSockets), 443(WebSockets+SSL)
type	mosquitto
info	web page, Xively statistics, topics and HTTP bridge

---

field	value
address	test.mosquitto.org
port	1883, 8883 (SSL), 8884 (SSL), 80 (WebSockets)
type	mosquitto
info	web page, Xively statistics, topics and HTTP bridge

---

field	value
address	broker.hivemq.com
port	1883, 8000 (WebSockets)
type	HiveMQ
info	information page, stastistics and dashboard

---

field	value
address	www.cloudmqtt.com (Note: actual host varies, see dashboard)
port	18443, 28443 (SSL)
type	mosquitto
info	requires signup/username and password, pricing (free plan available), documentation

---

field	value
address	mqtt.dioty.co
port	1883 (MQTT), 8883 (MQTT+SSL), 8080 (WebSockets), 8880 (WebSockets+SSL)
type	mosca
info	Free - requires signup/username and password, documentation, includes mobile IoT app (iOS and Android)

---

field	value
address	mqtt.swifitch.cz
port	1883 (MQTT)
type	mosquitto
info	Free, it is mostly running for Swifitch project, but you can use it too for testing your IoT or whatever ;), it is running on Raspberry Pi profesional VPS.

---

field	value
address	broker.bevywise.com
port	1883 (TCP), 8443 (WebSockets)
type	Bevywise
info	web page. Secure. Need to sign up to view your devices. Use MQTT Authentication in your devices to connect securely. Free trial with unsecure ports (see https://devicemanager.bevywise.com/help)

---

field	value
address	mqtt.fluux.io
port	1883 (TCP), 8883 (TLS)
type	ejabberd
info	Free - no registration required, MQTT 5.0 compliant

---

field	value
address	console.solace.cloud (MQTT hostname varies, see dashboard)
port	TCP, TLS, WS, WSS: varies per instance
type	solace
info	requires sign-up, free plan available (50 connections), getting started, docs

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