MQTT.fx vs Python++

MQTT.fx is a free, open-source MQTT client that allows you to test MQTT servers. It has a simple, easy-to-use interface for publishing and subscribing to topics, along with handy features like a topic hierarchy view.

Python++ is an open-source programming language that aims to be a production-ready superset of Python with C++ features. It adds functionality like static typing, code performance optimizations, and templating to Python while maintaining Python's core strengths such as ease of use and syntax.