EMQX and VerneMQ are open-source, highly scalable distributed MQTT brokers written in Erlang/OTP, known for their robustness, fault tolerance, and scalability.

EMQX and VerneMQ are open-source, highly scalable distributed MQTT brokers written in Erlang/OTP, known for their robustness, fault tolerance, and scalability. This blog briefly compared these two brokers as a memo in the history of MQTT.