A MQTT v3.1/v3.1.1 Broker
Mosquitto is a message broker that implements the
MQ Telemetry Transport protocol versions 3.1 and 3.1.1. MQTT provides a
lightweight method of carrying out messaging using a publish/subscribe model.
This makes it suitable for "machine to machine" messaging such as with low
power sensors or mobile devices such as phones, embedded computers or
microcontrollers like the Arduino. A good example of this is all of the work
that Andy Stanford-Clark (one of the originators of MQTT) has done in home
monitoring and automation with his twittering house and twittering ferry.
There is no official package available for openSUSE Leap 15.4