There are 2 repositories under pjon topic.
Easy config and value sync between IoT modules, database and web pages
Portable simple header-only C++ MQTT client for WIndows, Linux, Arduino, Raspberry, ESP8266, ESP32++
Call the PJON C++ library directly from Python
PjonHL is a modern highlevel C++ (>=14) wrapper around PJON
:electric_plug: FastyBird IoT connector for FB BUS devices