MQTT.fx
MQTT.fx is a free, open-source MQTT client that allows you to test MQTT servers. It has a simple, easy-to-use interface for publishing and subscribing to topics, along with handy features like a topic hierarchy view.
MQTT.fx: A Free, Open-Source MQTT Client for Testing Servers
MQTT.fx is a free, open-source MQTT client that allows you to test MQTT servers. It has a simple, easy-to-use interface for publishing and subscribing to topics, along with handy features like a topic hierarchy view.
What is MQTT.fx?
MQTT.fx is a feature-rich MQTT client that enables you to easily test and work with MQTT brokers/servers. As an open-source cross-platform tool, MQTT.fx runs on Windows, Mac and Linux.
Some key features of MQTT.fx include:
- Intuitive publish/subscribe interface to send and receive MQTT messages
- Support for MQTT over TCP, SSL, WebSocket and Websocket Secure
- Customizable connection settings for MQTT brokers
- Topic hierarchy tree for visually browsing topics
- Handy utilities like a topic monitor and message logger
- MQTT v3.1.1 and v5.0 compatibility
- Light and dark themes
- Available completely free with no ads or restrictions
MQTT.fx is useful for IoT developers, or anyone who needs a straightforward MQTT client to test server connectivity, observe messaging activity, and publish/subscribe to topics during development and debugging.
MQTT.fx Features
Features
- MQTT client to publish and subscribe to topics
- Supports MQTT 3.1.1 and 5.0 protocols
- Clean and intuitive UI
- Topic hierarchy view
- SSL/TLS support
- WebSocket support
- Retained message support
- Last will and testament support
- Automatic reconnect
- Syntax highlighting for topic filters
- Dark mode support
Pricing
- Free
- Open Source
Pros
Free and open source
Easy to use
Good for testing MQTT servers
Available on Windows, Mac, Linux
Cons
Limited features compared to full-featured MQTT clients
No message persistence
No MQTT bridge support
Official Links
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