This package provides the following command-line tools:
mux: multiplex between multiple topics.
relay: republish data on one topic to another.
relay_field: allow to republish data in a different message type New in 1.11.14
drop: relay a topic, dropping X out of every Y message.
throttle: relay a topic, but limit republishing to a maximum bandwidth or rate.
transform: transform a topic (or topic field) using a Python expression and publishes the result on another topic.