MQTTy

MQTTy is a native MQTT GUI client written in Rust, designed for easy and graphical interaction with MQTT topics. It focuses on debugging and testing, offering features like publishing messages with an embedded code editor, subscribing to topics with system notifications, and running in the background. Your data is stored locally in a VCS-friendly format, ensuring privacy and easy sharing with your team. Available for Windows and on Flathub, with translation support via Weblate.