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MQTT X - Cross-platform MQTT desktop client
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Latest commit d24be4a Jan 17, 2020



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MQTT X is a cross-platform MQTT desktop client open sourced by EMQ, which supports macOS, Linux, and Windows.

MQTT X adopts the form of chat interface, which simplifies the page operation, allow multiple clients information to be saved, facilitates the user to quickly test the MQTT/MQTTS connection, publish and subscribe to MQTT messages.




Download from GitHub Releases and install it.

Alternative, you can download here.


  1. MQTT Broker preparation.

    • If you do not need the MQTT Broker deployed locally, you can use the online public version of EMQ X for quick test;
    Broker IP:
    Broker TCP Port: 1883
    Broker SSL Port: 8883
    • If you plan to deploy a MQTT Broker running locally, we recommend you to download EMQ X for installation. EMQ X broker is a fully open source, highly scalable, highly available distributed MQTT messaging broker for IoT, M2M and Mobile applications that can handle tens of millions of concurrent clients.
  2. Connection configuration. Click the + button in the left menu bar and fill in the corresponding required fields in the form.

  3. After the connection information is configured, click the Connect button in the upper right corner to create a connection and connect to MQTT Broker.

  4. After the MQTT is connected successfully, you can perform MQTT publish and subscription tests.



# Clone
git clone

# Install dependencies
yarn install

# Compiles and hot-reloads for development
yarn run electron:serve

# Compiles and minifies for production
yarn run electron:build


  1. Fork this repository

  2. Add upstream remote git remote add upstream

  3. Modify code, add commit on new branch, push it

  4. Submit a pull request to upstream develop branch, we will review it

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Apache License 2.0, see LICENSE.

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