Mqttdongle

Mqttdongle is a lightweight MQTT client utility designed for fast testing, monitoring, and control of IoT devices and smart home gateways. Set up secure connections to your MQTT broker in minutes, subscribe to topics with live message viewing, and publish commands with precise control. Ideal for developers, makers, and Home Assistant users who need a reliable MQTT toolkit on the go. Core features - One-tap broker setup with secure TLS, username and password - Live subscribe and publish with QoS and retained message options - Organized topic presets, quick filters, and real-time logs for debugging Why it stands out - Fast, stable, and easy to use for daily MQTT workflows - Works with popular brokers like Mosquitto and Home Assistant MQTT - Great for IoT prototyping, device debugging, and automation testing