MQTTX

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Free all-in-one MQTT client toolbox with Desktop, CLI, and Web versions.

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Free / Open Source

monthly

Free

Desktop, CLI, and Web versions
Cross-platform: macOS, Linux, Windows
100% compliant with MQTT 5.0, 3.1.1, and 3.1
AI-powered MQTTX Copilot
Scripts and benchmark tools
IoT data simulation
Publish messages in JSON, Base64, and Hex formats

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