An open-source MQTT client tool for easy MQTT pub/sub, testing, and demonstration. Full MQTT 5.0 support. More details and screenshots in a dedicated article.
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Start playing with MQTT connections now. Run mqttboard.flespi.io
Bright & friendly
Designed according to Material Design guidelines MQTT Board is crisp and intuitive. It's also perfect for mobile use which makes access from any device a productive experience.
Multiple MQTT brokers support
Create connections to various brokers from a single screen. MQTT Board will work with any MQTT broker supporting secure WebSockets (WSS).
Detailed connection logs
The colorful and verbose logs for every connect/disconnect, pub/sub etc. are a blessing for extensive testing and trials with MQTT connections.
Full MQTT 5.0 support
MQTT Board is developed by flespi — a creator of the first MQTT 5.0-compliant broker on the market. All these features naturally migrated to the MQTT Board letting you see the latest specification of MQTT protocol in action. Shared subscriptions, will delay interval, response topic, and much more.
Open-source
Yes, you can fork MQTT Board on GitHub and use it as a basis for your project.
Secure connections only
Since MQTT Board is a web tool running in the browser, it will only allow connection over WSS (WebSockets over SSL). Secure connections are demanded by all modern browsers.