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MQTT X is a cross-platform MQTT 5.0 client tool open sourced by EMQ, which can run on macOS, Linux and Windows, and supports formatting MQTT payload.

MQTT X simplifies the operation logic of the page with the help of chatting software. The user can quickly create a connection to save and establish multiple connection clients at the same time. It is convenient for the user to quickly test the connection of MQTT/TCP、MQTT/TLS, MQTT/WebSocket Publish / Subscribe functions and other features.

MQTT stands for MQ Telemetry Transport. It is a publish/subscribe, extremely simple and lightweight messaging protocol, designed for constrained devices and low-bandwidth, high-latency or unreliable networks.

Currently available for download from these app stores

Download from GitHub Releases and install it.

Alternative, you can download here.

See our blog or manual for details.

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.emqx.io
   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 [email protected]:emqx/MQTTX.git

# Install dependencies
cd MQTTX
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 [email protected]:emqx/MQTTX.git

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

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

• Electron
• Vue + Element
• TypeScript
• Lowdb

Apache License 2.0, see LICENSE.